CVE Explorer
CVE-2025-9078
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to properly validate cache keys for link metadata which allows authenticated users to access unauthorized posts and poison link previews via hash collision attacks on FNV-1 hashing
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":"10.8.3","status":"affected","version":"10.8.0","versionType":"semver"},{"lessThanOrEqual":"10.5.8","status":"affected","version":"10.5.0","versionType":"semver"},{"lessThanOrEqual":"9.11.17","status":"affected","version":"9.11.0","versionType":"semver"},{"lessThanOrEqual":"10.10.1","status":"affected","version":"10.10.0","versionType":"semver"},{"lessThanOrEqual":"10.9.3","status":"affected","version":"10.9.0","versionType":"semver"},{"status":"unaffected","version":"10.11.0"},{"status":"…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:1dbfc09b326d6868727be0868692898de2cdd076b45a9988d53ce7c18cb924c6 · sha256:81292b8bdcf65112… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:1dbfc09b326d6868727be0868692898de2cdd076b45a9988d53ce7c18cb924c6 · sha256:81292b8bdcf65112… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-328","description":"CWE-328: Use of Weak Hash","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:1dbfc09b326d6868727be0868692898de2cdd076b45a9988d53ce7c18cb924c6 · sha256:81292b8bdcf65112… · /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:v2:1dbfc09b326d6868727be0868692898de2cdd076b45a9988d53ce7c18cb924c6 · sha256:81292b8bdcf65112… · /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.