CVE Explorer

CVE-2026-7521

Mattermost versions 11.8.x <= 11.8.0, 11.7.x <= 11.7.3, 11.6.x <= 11.6.5, 10.11.x <= 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint.. Mattermost Advisory ID: MMSA-2026-00666

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1b6771c43d2d794bcbf2dba6567447fe5f92fb954fdbfc4b70a678a3124a1977

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"11.8.0","status":"affected","version":"11.8.0","versionType":"semver"},{"lessThanOrEqual":"11.7.3","status":"affected","version":"11.7.0","versionType":"semver"},{"lessThanOrEqual":"11.6.5","status":"affected","version":"11.6.0","versionType":"semver"},{"lessThanOrEqual":"10.11.20","status":"affected","version":"10.11.0","versionType":"semver"},{"status":"unaffected","version":"11.9.0"},{"status":"unaffected","version":"11.8.1"},{"status":"unaffected","version":"11.7.4"},{"status":"unaffe…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:0eac03dc06f7876f70bf34202c891f0476ed24e88d27589e41c9dbd4ea63d22b · sha256:62d2cf5792b34a0e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:0eac03dc06f7876f70bf34202c891f0476ed24e88d27589e41c9dbd4ea63d22b · sha256:62d2cf5792b34a0e… · /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_v5cwe
urn:baitaphish:normalized-source-record:v2:0eac03dc06f7876f70bf34202c891f0476ed24e88d27589e41c9dbd4ea63d22b · sha256:62d2cf5792b34a0e… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"MMSA-2026-00666","tags":["vendor-advisory"],"url":"https://mattermost.com/security-updates"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:0eac03dc06f7876f70bf34202c891f0476ed24e88d27589e41c9dbd4ea63d22b · sha256:62d2cf5792b34a0e… · /containers/cna/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.

← Back to CVE Explorer