CVE Explorer
CVE-2026-55495
Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the WOPI PUT_RELATIVE handler passes X-WOPI-SuggestedTarget to URI.JoinRaw as a path rather than a filename, allowing slash and dot-dot segments to escape the source file directory and create or conditionally overwrite files elsewhere in the same owner account. This issue is fixed in version 4.17.0.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"cloudreve","vendor":"cloudreve","versions":[{"status":"affected","version":"< 4.17.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9969276bbdbf63a4cd934fc522271399895a2acb9e2a27ddebc9e9c87ce16925 · sha256:2a2228e2f8823068… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9969276bbdbf63a4cd934fc522271399895a2acb9e2a27ddebc9e9c87ce16925 · sha256:2a2228e2f8823068… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9969276bbdbf63a4cd934fc522271399895a2acb9e2a27ddebc9e9c87ce16925 · sha256:2a2228e2f8823068… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/cloudreve/cloudreve/commit/7968e50429efab40ffa8f57fecdfbd5a73d23630","tags":["x_refsource_MISC"],"url":"https://github.com/cloudreve/cloudreve/commit/7968e50429efab40ffa8f57fecdfbd5a73d23630"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9969276bbdbf63a4cd934fc522271399895a2acb9e2a27ddebc9e9c87ce16925 · sha256:2a2228e2f8823068… · /containers/cna/references/1
{"name":"https://github.com/cloudreve/cloudreve/releases/tag/4.17.0","tags":["x_refsource_MISC"],"url":"https://github.com/cloudreve/cloudreve/releases/tag/4.17.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9969276bbdbf63a4cd934fc522271399895a2acb9e2a27ddebc9e9c87ce16925 · sha256:2a2228e2f8823068… · /containers/cna/references/2
{"name":"https://github.com/cloudreve/cloudreve/security/advisories/GHSA-49h3-cwhj-4737","tags":["x_refsource_CONFIRM"],"url":"https://github.com/cloudreve/cloudreve/security/advisories/GHSA-49h3-cwhj-4737"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9969276bbdbf63a4cd934fc522271399895a2acb9e2a27ddebc9e9c87ce16925 · sha256:2a2228e2f8823068… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/cloudreve/cloudreve/security/advisories/GHSA-49h3-cwhj-4737"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9969276bbdbf63a4cd934fc522271399895a2acb9e2a27ddebc9e9c87ce16925 · sha256:2a2228e2f8823068… · /containers/adp/0/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.