Exact snapshot results

353,537 CVE records

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CVE-2026-67215

cJSON through 1.7.19 is vulnerable to uncontrolled recursion leading to stack exhaustion when an untrusted RFC 6902 JSON Patch is applied via cJSONUtils_ApplyPatches() or cJSONUtils_ApplyPatchesCaseSensitive(). A patch containing add and copy operations grafts duplicated subtrees to amplify document depth beyond the parser's nesting limit: cJSON_Delete() recurses with no depth bound, and the cJSON_Duplicate() guard CJSON_CIRCULAR_LIMIT is set to 10000, ten times the parser's 1000-level nesting l

PUBLISHED
Vendor
DaveGamble
Product
cJSON
Provider severity
HIGH
Conflicts
1

CVE-2026-67214

nanoid (Nano ID) before 5.1.16 contains an infinite loop in the customAlphabet and nanoid functions of its non-secure module (nanoid/non-secure). When these functions are given a negative size, the loop counter is decremented from a negative value and never reaches its termination condition, spinning indefinitely and hanging the calling thread. An application that passes an unvalidated, attacker-controlled negative size to these functions is exposed to a denial-of-service condition.

PUBLISHED
Vendor
nanoid_project
Product
nanoid
Provider severity
HIGH, MEDIUM
Conflicts
1

CVE-2026-67213

nanoid (Nano ID) before 5.1.6 contains an infinite loop in the customAlphabet and customRandom functions. When these functions are configured with a size of 0, the internal generation loop never satisfies its exit condition and spins indefinitely, hanging the calling thread. An application that passes an unvalidated, attacker-controlled size of 0 to these functions is exposed to a denial-of-service condition.

PUBLISHED
Vendor
nanoid_project
Product
nanoid
Provider severity
HIGH, MEDIUM
Conflicts
1

CVE-2026-67208

Juggle through 1.6.0 contains a remote code execution vulnerability that allows unauthenticated remote attackers to execute arbitrary OS commands by connecting to the exposed H2 database web console using default shipped credentials. Attackers can access the unprotected /h2-console endpoint, authenticate with default credentials, and leverage the H2 CREATE ALIAS Runtime.exec() technique to execute arbitrary commands, resulting in root-level code execution when running the stock Docker image.

PUBLISHED
Vendor
somta
Product
Juggle
Provider severity
CRITICAL
Conflicts
2

CVE-2026-67207

Wolf CMS through 0.8.3.1 contains an authorization bypass vulnerability in BackupRestoreController that allows authenticated non-administrative users to access restricted backup functionality due to a PHP operator precedence flaw in the permission check expression. Attackers can exploit the incorrect evaluation of the access control expression to create, download, and restore backups without administrative privileges.

PUBLISHED
Vendor
wolfcms
Product
wolfcms
Provider severity
HIGH
Conflicts
1

CVE-2026-67206

Wolf CMS through 0.8.3.1 contains a remote code execution vulnerability in FileManagerController that allows authenticated attackers to create arbitrary PHP files by exploiting missing file extension validation in the create_file() and save() functions. Attackers with the file_manager_mkfile capability can write malicious PHP content into the web-accessible FILES_DIR directory and trigger execution by requesting the file over HTTP.

PUBLISHED
Vendor
wolfcms
Product
wolfcms
Provider severity
HIGH
Conflicts
1

CVE-2026-67201

V through 0.5.2, fixed in commit 85859f0, contains a server-side request forgery (SSRF) bypass vulnerability that allows attackers to circumvent host-based allowlists by exploiting a parser differential between net.urllib and net.http. Attackers can craft a URL containing a backslash in the authority section such that net.urllib.parse() extracts the trusted host for allowlist validation while net.http.get() normalizes the backslash and connects to the internal host, enabling access to internal n

PUBLISHED
Vendor
vlang
Product
v
Provider severity
HIGH
Conflicts
1

CVE-2026-6720

When calicoctl is invoked with --log-level=info or --log-level=debug, the client prints the full contents of its loaded connection-configuration struct to stderr in a single log line. The struct embeds every credential calicoctl uses to talk to the cluster — inline kubeconfig (with bearer token), Kubernetes API bearer token, etcd password, and inline PEM-encoded etcd client certificate and key. Any reader of that stderr stream — CI job logs, session-recording archives, shared support-ticket tran

PUBLISHED
Vendor
Tigera, Tigera, Tigera
Product
Calico Enterprise, Calico Cloud, Calico
Provider severity
HIGH
Conflicts
1

CVE-2026-67194

Courier IMAP before 6.0.1 and Courier Mail Server before 2.0.2 allow authenticated IMAP users to crash the imapd process via deeply nested parenthesized SEARCH queries. The SEARCH command parser (alloc_search_key in searchinfo.C) recursively descends on nested parenthesized groups through a mutual recursion chain with alloc_search_andlist() and alloc_search_notkey(), with no depth limit. Courier IMAP has no overall command line length limit, making exploitation trivial. A single IMAP command wit

PUBLISHED
Vendor
svarshavchik, svarshavchik
Product
Courier IMAP, Courier Mail Server
Provider severity
HIGH, MEDIUM
Conflicts
2

CVE-2026-67193

Xlight FTP Server before 3.9.5 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the server's current GetTickCount() value by sending a USER command with a username ending in the :adm suffix. Attackers can trigger the admin protocol path within the standard FTP listener pre-authentication to leak timing information from the FTP 331 response without requiring a separate port or configuration change.

PUBLISHED
Vendor
Xlight
Product
Xlight FTP Server
Provider severity
MEDIUM
Conflicts
1

CVE-2026-67192

Xlight FTP Server before 3.9.5 contains a pre-authentication stack buffer overflow vulnerability that allows unauthenticated attackers to corrupt stack memory by sending malformed SSH packets when a GCM cipher is negotiated. Attackers can craft packets with an unvalidated length field passed directly to the GCM decrypt function, overwriting the stack cookie and return address to potentially achieve remote code execution before any authentication occurs.

PUBLISHED
Vendor
Xlight
Product
Xlight FTP Server
Provider severity
CRITICAL, HIGH
Conflicts
1

CVE-2026-67191

Xlight FTP Server before 3.9.5 contains a pre-authentication heap buffer overflow vulnerability that allows remote unauthenticated attackers to write past the end of a heap buffer by sending a malformed SSH client identification string. A logic error in the recv loop's termination condition uses an incorrect OR operator where an AND operator is required, enabling exploitation on any SSH or SFTP connection before authentication occurs.

PUBLISHED
Vendor
Xlight
Product
Xlight FTP Server
Provider severity
CRITICAL
Conflicts
1

CVE-2026-67185

TinyWeb through 0.0.8 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files by submitting ../ sequences in the URL path, which are concatenated directly to the configured web root in HttpBuilder::buildResponse() without normalization, dot-segment removal, or boundary checks. Attackers can craft a single request with ../ sequences that pass through the URL parser unchanged and reach the filesystem call via HttpFile::setFile(), exposing sensitive fil

PUBLISHED
Vendor
GeneralSandman
Product
TinyWeb
Provider severity
HIGH
Conflicts
1

CVE-2026-67184

TinyWeb through 0.0.8 contains a null pointer dereference vulnerability that allows unauthenticated remote attackers to crash worker processes by sending a malformed HTTP request line with an invalid version string. The HttpParser::execute() function fails to allocate the Url object when version parsing fails, leaving the url pointer NULL, and buildResponse() subsequently dereferences this NULL pointer without checking the valid_requ flag, producing a SIGSEGV that terminates the worker process a

PUBLISHED
Vendor
GeneralSandman
Product
TinyWeb
Provider severity
HIGH
Conflicts
1

CVE-2026-67183

TinyWeb through 0.0.8 contains a memory leak vulnerability that allows unauthenticated attackers to exhaust available memory by sending ordinary well-formed HTTP requests. Each request causes HttpParser::execute() to allocate Url objects, HttpHeaders objects, and HttpHeader instances via raw new expressions that are never freed due to missing destructors and unreachable delete calls, causing worker resident memory to grow monotonically by approximately 20 to 28 kB per request until the worker pr

PUBLISHED
Vendor
GeneralSandman
Product
TinyWeb
Provider severity
HIGH
Conflicts
1

CVE-2026-67182

Rouille 0.3.3 through 3.6.2 contains an HTTP request smuggling vulnerability that allows remote attackers to bypass access controls by injecting bare line feed characters (0x0A) into client-supplied request header values that are copied verbatim to upstream connections without validation. Attackers can craft a header value containing a complete additional HTTP request that is interpreted as a separate request by backends such as Go net/http and Python http.server, causing the backend to process

PUBLISHED
Vendor
tomaka
Product
rouille
Provider severity
HIGH, MEDIUM
Conflicts
1

CVE-2026-67181

Rouille 0.3.3 through 3.6.2 contains an HTTP request smuggling vulnerability that allows remote attackers to desynchronize HTTP message boundaries by exploiting improper header forwarding in the proxy implementation. The proxy in src/proxy.rs forwards the client's Transfer-Encoding header to upstream backends unchanged while transmitting a body already de-chunked by tiny_http, enabling CL.TE desynchronization attacks where attackers control where the backend believes the request body ends.

PUBLISHED
Vendor
tomaka
Product
rouille
Provider severity
MEDIUM
Conflicts
1

CVE-2026-67178

MISP installation scripts generated an Apache HTTP virtual-host configuration containing an incorrectly formatted HTTP-to-HTTPS redirect: Redirect permanent / https://misp.example Apache’s Redirect directive appends any portion of the requested path that follows the matched prefix to the configured destination URL. Because the destination did not end with /, attacker-controlled path content was appended directly to the hostname rather than to its URL path. For example, a request resembling:

PUBLISHED
Vendor
misp
Product
misp
Provider severity
HIGH
Conflicts
0

CVE-2026-67174

Pivotick contains a DOM-based cross-site scripting vulnerability in its generic UI element resolution and icon-rendering utilities. The tryResolveHTMLElement function treated any resolved string as HTML markup by assigning it to a <template> element through innerHTML. Strings derived from untrusted graph properties or custom rendering callbacks could therefore introduce arbitrary HTML or SVG elements into the live document. The vulnerable function was used by multiple UI components, including h

PUBLISHED
Vendor
pivotick
Product
pivotick
Provider severity
CRITICAL
Conflicts
0

CVE-2026-67173

Pivotick did not validate the URL scheme of node imagePath values derived from graph data before assigning them to SVG image resources. An attacker able to supply crafted graph data could set an image path to a malicious URI. When a victim rendered the affected graph, the browser could resolve the attacker-controlled URI and initiate an unintended request or invoke scheme-specific handling in the victim’s context. Depending on the URI, browser behaviour, and installed protocol handlers, exploit

PUBLISHED
Vendor
pivotick
Product
pivotick
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6713

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an unauthorized user to enumerate private projects due to incorrect authorization checks.

PUBLISHED
Vendor
GitLab
Product
GitLab
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6712

The Website LLMs.txt plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 8.2.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has b

PUBLISHED
Vendor
ryhowa
Product
Website LLMs.txt
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6711

The Website LLMs.txt plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in all versions up to, and including, 8.2.6. This is due to the use of filter_input() without a sanitization filter and insufficient output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick an administrator into performing an action such as clicking on a link.

PUBLISHED
Vendor
ryhowa
Product
Website LLMs.txt
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6710

The Skysa Text Ticker App plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.4. This is due to missing or incorrect nonce validation on the SkysaApps_Admin_AppPage function. This makes it possible for unauthenticated attackers to trick a site administrator into making a forged request to modify the plugin's settings, including the scrolling message text and URL, via a forged cross-site request via a forged request granted they can trick a sit

PUBLISHED
Vendor
davidskysa
Product
Skysa Text Ticker App
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6709

The Coinbase Commerce for Contact Form 7 plugin for WordPress is vulnerable to Missing Authorization in versions up to and including 1.1.2. This is due to a missing capability check and missing nonce verification in the save_settings() function, which is registered on the admin_post_cccf7_save_settings hook. This makes it possible for authenticated attackers, with Subscriber-level access and above, to overwrite the plugin's Coinbase Commerce API key option (cccf7_api_key) via a crafted POST requ

PUBLISHED
Vendor
coderpress
Product
Coinbase Commerce for Contact Form 7
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6708

The HEL Online Classroom: AI-powered Online Classrooms plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.0.3. This is due to a missing capability check on a REST API endpoint registered with a permission_callback of '__return_true', which bypasses all WordPress authentication and authorization checks. This makes it possible for unauthenticated attackers to delete any classroom record by supplying its ID in the request, resulting in permanent data

PUBLISHED
Vendor
higheredlab
Product
HEL Online Classroom: AI-powered Online Classrooms
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6706

Improper access control in the vault documentation feature in Devolutions Server allows an authenticated attacker to read documentation content from unauthorized vaults via a crafted API request. This issue affects Server: from 2026.1.6.0 through 2026.1.14.0, through 2025.3.18.0.

PUBLISHED
Vendor
Devolutions
Product
Server
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6704

The Blog Settings plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'page' parameter in all versions up to, and including, 1.0. This is due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

PUBLISHED
Vendor
phpsandeepkumar
Product
Blog Settings
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6703

The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to modify global site-wide plugin configuration options, including toggling custom CSS, disabling blocks, changing layout defaults such as content w

PUBLISHED
Vendor
cyberchimps
Product
Responsive Blocks – Page Builder for Blocks & Patterns
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6702

The Publish 2 Ping.fm plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1. This is due to missing or incorrect nonce validation on the '/wp-admin/options-general.php?page=admin.php' page. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

PUBLISHED
Vendor
foux
Product
Publish 2 Ping.fm
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6701

The addfreespace plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.1.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

PUBLISHED
Vendor
kazunii
Product
addfreespace
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6700

The DX Sources plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.1. This is due to missing or incorrect nonce validation on the settings_page_build function. This makes it possible for unauthenticated attackers to trick a logged-in administrator into submitting a forged request that modifies the plugin's configuration options via a forged request granted they can trick a site administrator into performing an action such as clicking on a li

PUBLISHED
Vendor
xavortm
Product
DX Sources
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6696

The Zingaya Click-to-Call plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'email', 'first_name', 'last_name', and 'phone' parameters on the plugin's sign-up admin page in all versions up to, and including, 1.0. This is due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a

PUBLISHED
Vendor
zingaya
Product
Zingaya Click-to-Call
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6695

A flaw was found in GIMP. A remote attacker could exploit this by tricking a user into opening a specially crafted PAA (Paint Shop Pro Array) image file. This vulnerability, a heap-based out-of-bounds write in the decode_lzss() function of the PAA file format plugin, allows data to be written beyond the intended memory buffer. This could lead to heap metadata corruption and potentially enable the attacker to execute arbitrary code on the affected system.

PUBLISHED
Vendor
Red Hat, Red Hat, Red Hat, Red Hat
Product
Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9
Provider severity
MEDIUM
Conflicts
1

CVE-2026-6694

A flaw was found in GIMP's file-png plugin. A remote attacker can exploit this by crafting a malicious Animated Portable Network Graphics (APNG) image containing an oversized tRNS chunk. This can lead to a stack-based buffer overflow (CWE-121), causing the file-png plugin to crash and resulting in a Denial of Service (DoS) for the user.

PUBLISHED
Vendor
Red Hat, Red Hat, Red Hat, Red Hat
Product
Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 7
Provider severity
MEDIUM
Conflicts
1

CVE-2026-66922

Pivotick used plain JavaScript objects as lookup tables indexed by caller-controlled graph node identifiers in its tree-layout and cycle-detection components. Node identifiers matching properties inherited from Object.prototype, such as constructor, toString, or __proto__, were not handled as ordinary identifiers. These values could be interpreted as existing inherited properties, resolve to values of an unexpected type, or—in the case of __proto__ assignments—modify the prototype of an interna

PUBLISHED
Vendor
pivotick
Product
pivotick
Provider severity
MEDIUM
Conflicts
0

CVE-2026-66921

Pivotick’s Markdown node-reference renderer failed to HTML-escape the attacker-controlled nodeName value before interpolating it into both the data-node-name attribute and the body of a generated <span> element. Because the node-reference tokenizer rejected only square brackets, a crafted node name could still contain quotation marks, angle brackets, or other HTML metacharacters. An attacker could therefore terminate the quoted attribute or inject additional HTML elements and event-handler attr

PUBLISHED
Vendor
pivotick
Product
pivotick
Provider severity
MEDIUM
Conflicts
0

CVE-2026-66920

Pivotick contains an uncontrolled-recursion vulnerability when processing caller-supplied graph and node data. The affected graph algorithms recursively traversed graph edges, while the JSON viewer recursively processed each level of a node’s data structure. A specially crafted graph containing an excessively long path, deeply nested properties, or circular object references could therefore exhaust the JavaScript call stack when Pivotick calculates a layout or displays a node in the inspection m

PUBLISHED
Vendor
Pivotick
Product
Pivotick
Provider severity
HIGH
Conflicts
1

CVE-2026-6692

The Slider Revolution plugin for WordPress is vulnerable to Arbitrary File Upload in versions 7.0.0 to 7.0.10 via the '_get_media_url' and '_check_file_path' function. This is due to insufficient file type validation. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload files that may be executable, which makes remote code execution possible. The vulnerability was partially patched in version 7.0.10 and fully patched in version 7.0.11.

PUBLISHED
Vendor
Revolution Slider
Product
Slider Revolution
Provider severity
HIGH
Conflicts
0

CVE-2026-66919

Pivotick contains a cross-site scripting vulnerability in the inspect and edit node modals. Node labels and descriptions originating from graph data were interpolated directly into HTML used to construct the modal headers. An attacker able to supply or modify graph data could insert a malicious HTML or JavaScript payload into a node’s label or description. The payload would be parsed and executed in the application’s origin when a user opened the affected node’s inspect or edit modal. Successf

PUBLISHED
Vendor
Pivotick
Product
Pivotick
Provider severity
MEDIUM
Conflicts
0

CVE-2026-66918

Pivotick fails to sanitize attacker-controlled SVG markup supplied through the per-node style.svgIcon property before inserting it into the document. When rendering a graph node, the vulnerable code assigns the SVG icon markup directly to the innerHTML property of a live SVG element. An attacker able to influence graph data can provide crafted markup containing executable event handlers, such as an <image> element with an onerror attribute. When a victim loads or renders the malicious graph, t

PUBLISHED
Vendor
pivotick
Product
pivotick
Provider severity
HIGH
Conflicts
0

CVE-2026-66913

Lookyloo did not enforce limits on the decompressed size of uploaded capture archives and compressed HAR files. An attacker could submit a specially crafted ZIP, gzip, or zlib-compressed capture containing data that expands to a very large size during processing. Because the application decompressed this content directly in memory without first limiting the output size, processing the malicious capture could exhaust available memory, terminate a web or worker process, or make the Lookyloo insta

PUBLISHED
Vendor
lookyloo
Product
lookyloo
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6691

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI.

PUBLISHED
Vendor
MongoDB Inc.
Product
MongoDB C Driver
Provider severity
HIGH
Conflicts
1

CVE-2026-6690

The LifePress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'n' parameter of the lp_update_mds AJAX action in all versions up to, and including, 2.2.2. This is due to the `wp_ajax_nopriv_lp_update_mds` action being registered without nonce verification or capability checks, combined with insufficient input sanitization and output escaping when the series name is rendered in the admin settings page. This makes it possible for unauthenticated attackers to inject arbitra

PUBLISHED
Vendor
ashanjay
Product
LifePress
Provider severity
HIGH
Conflicts
0

CVE-2026-6689

Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 Fail to enforce PermissionInviteUser when setting AllowOpenInvite or AllowedDomains during team creation (the check was only applied on update/patch), which allows an authenticated user holding PermissionCreateTeam but not PermissionInviteUser on the resulting team to configure invite-controlled team settings (make the team publicly joinable via open invite and/or constrain membership via allowed dom

PUBLISHED
Vendor
Mattermost
Product
Mattermost
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6688

FatFs R0.16 and earlier contains a downstream-caller vulnerability pattern associated with FatFs long filename handling. With LFN enabled, fno.fname can be up to 255 characters; many callers copy it into short fixed buffers without bounds checks, causing overflow. This maps to CWE-120 (Buffer Copy without Checking Size of Input). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H (7.6, High). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Total.

PUBLISHED
Vendor
ChaN
Product
FatFs
Provider severity
HIGH
Conflicts
0

CVE-2026-6687

FatFs R0.16 and earlier contains a stack overflow bug in f_getlabel() because exFAT label length (XDIR_NumLabel) is trusted without enforcing spec maximums. This maps to CWE-121 (Stack-based Buffer Overflow). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H (7.6, High). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Total.

PUBLISHED
Vendor
ChaN
Product
FatFs
Provider severity
HIGH
Conflicts
0

CVE-2026-6686

FatFs R0.16 and earlier contains an uninitialized cluster exposure when f_lseek() extends files beyond EOF without zero-filling newly allocated clusters. This maps to CWE-908 (Use of Uninitialized Resource). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (4.6, Medium). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Partial.

PUBLISHED
Vendor
ChaN
Product
FatFs
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6684

FatFs prior to R0.16 that use GPT scanning with 'FF_LBA64 = 1' contains an issue where an unbounded loop count derived from GPT header field GPTH_PtNum, enabling extremely long or effectively infinite mount-time scans. This maps to CWE-835 (Loop with Unreachable Exit Condition). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (4.6, Medium). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Partial.

PUBLISHED
Vendor
ChaN
Product
FatFs
Provider severity
MEDIUM
Conflicts
0

CVE-2026-6683

FatFs R0.16 and earlier contains a divide-by-zero in exFAT sync logic bug when crafted metadata causes n_fatent - 2 to be zero during write/sync operations. This maps to CWE-369 (Divide By Zero). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (4.6, Medium). Network-delivered update media can make this remote in some pipelines. The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Partial.

PUBLISHED
Vendor
ChaN
Product
FatFs
Provider severity
MEDIUM
Conflicts
0