{"id":"CVE-2025-9078","sourceIdentifier":"responsibledisclosure@mattermost.com","published":"2025-09-15T10:15:32.627","lastModified":"2026-10-19T17:10:00.173","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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"},{"lang":"es","value":"Las versiones de Mattermost 10.8.x menor o igual que 10.8.3, 10.5.x menor o igual que 10.5.8, 9.11.x menor o igual que 9.11.17, 10.10.x menor o igual que 10.10.1, 10.9.x menor o igual que 10.9.3 no validan correctamente las claves de caché para los metadatos de enlaces, lo que permite a los usuarios autenticados acceder a publicaciones no autorizadas y envenenar las previsualizaciones de enlaces mediante ataques de colisión de hash en el hashing FNV-1."}],"affected":[{"source":"responsibledisclosure@mattermost.com","affectedData":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.8.0","lessThanOrEqual":"10.8.3","versionType":"semver","status":"affected"},{"version":"10.5.0","lessThanOrEqual":"10.5.8","versionType":"semver","status":"affected"},{"version":"9.11.0","lessThanOrEqual":"9.11.17","versionType":"semver","status":"affected"},{"version":"10.10.0","lessThanOrEqual":"10.10.1","versionType":"semver","status":"affected"},{"version":"10.9.0","lessThanOrEqual":"10.9.3","versionType":"semver","status":"affected"},{"version":"10.11.0","status":"unaffected"},{"version":"10.8.4","status":"unaffected"},{"version":"10.5.9","status":"unaffected"},{"version":"9.11.18","status":"unaffected"},{"version":"10.10.2","status":"unaffected"},{"version":"10.9.4","status":"unaffected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-09-15T13:53:35.598807Z","id":"CVE-2025-9078","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","description":[{"lang":"en","value":"CWE-328"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"9.11.0","versionEndExcluding":"9.11.18","matchCriteriaId":"4E2C0E13-B52A-4539-80B6-DC0FE8FF2E56"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.5.0","versionEndExcluding":"10.5.9","matchCriteriaId":"B95DCAE5-07C2-46B1-B03E-ED3FB9B2C568"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.8.0","versionEndExcluding":"10.8.4","matchCriteriaId":"BE00156D-6ACB-4F8C-BFFC-03A8127199A4"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.9.0","versionEndExcluding":"10.9.4","matchCriteriaId":"BB49CDD5-C206-4BEC-8CB5-D757DCC43208"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.10.0","versionEndExcluding":"10.10.2","matchCriteriaId":"F3861BBC-7E0F-4782-9666-4EF12C1ABDF5"}]}]}],"references":[{"url":"https://mattermost.com/security-updates","source":"responsibledisclosure@mattermost.com","tags":["Vendor Advisory"]}]}