CVE Explorer
CVE-2025-6226
Mattermost versions 10.5.x <= 10.5.6, 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 9.11.x <= 9.11.16 fail to verify authorization when retrieving cached posts by PendingPostID which allows an authenticated user to read posts in private channels they don't have access to via guessing the PendingPostID of recently created posts.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"10.5.6","status":"affected","version":"10.5.0","versionType":"semver"},{"lessThanOrEqual":"10.8.1","status":"affected","version":"10.8.0","versionType":"semver"},{"lessThanOrEqual":"10.7.3","status":"affected","version":"10.7.0","versionType":"semver"},{"lessThanOrEqual":"9.11.16","status":"affected","version":"9.11.0","versionType":"semver"},{"status":"unaffected","version":"10.9.0"},{"status":"unaffected","version":"10.5.8"},{"status":"unaffected","version":"10.8.2"},{"status":"unaffect…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:f5df50353536bba6d45a925bf61ea6f7223df56795843bc76f2fa3a8329fd579 · sha256:2e71dddedb8e9cb9… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:f5df50353536bba6d45a925bf61ea6f7223df56795843bc76f2fa3a8329fd579 · sha256:2e71dddedb8e9cb9… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f5df50353536bba6d45a925bf61ea6f7223df56795843bc76f2fa3a8329fd579 · sha256:2e71dddedb8e9cb9… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://mattermost.com/security-updates"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f5df50353536bba6d45a925bf61ea6f7223df56795843bc76f2fa3a8329fd579 · sha256:2e71dddedb8e9cb9… · /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.