{"id":"EUVD-2025-29164","revision":"7768a88358c54a85a2e5804ff6b572ef","records":[{"revision":"7768a88358c54a85a2e5804ff6b572ef","observedAt":"2026-11-05T03:03:44.257+00:00","statement":{"source":"euvd","id":"EUVD-2025-29164","aliases":["CVE-2025-9078","GHSA-9p92-x77w-9fw2"],"title":"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 …","description":"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","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":null}],"references":["https://mattermost.com/security-updates"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-29164","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 15, 2025, 10:10:06 AM","dateUpdated":"Sep 15, 2025, 1:57:49 PM"},"relatedAdvisories":[{"id":"openSUSE-SU-2025:15564-1","title":"govulncheck-vulndb-0.0.20250917T170349-1.1 on GA media","vulnerabilityIds":["CVE-2025-4953","CVE-2025-54123","CVE-2025-54376","CVE-2025-58058","CVE-2025-58063","CVE-2025-58157","CVE-2025-58158","CVE-2025-58430","CVE-2025-58437","CVE-2025-58445","CVE-2025-58450","CVE-2025-59358","CVE-2025-59359","CVE-2025-59360","CVE-2025-59361","CVE-2025-7445","CVE-2025-8396","CVE-2025-9072","CVE-2025-9076","CVE-2025-9078","CVE-2025-9084"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2025-29164","identifiers":["EUVD-2025-29164","CVE-2025-9078","GHSA-9p92-x77w-9fw2"]},"retained":false,"historicalAffected":[]}],"coverage":[]}