{"id":"CVE-2025-41436","state":"PUBLISHED","title":"Unauthorized access to archived channel content via threads interface","description":"Mattermost versions <11.0 fail to properly enforce the \"Allow users to view archived channels\" setting which allows regular users to access archived channel content and files via the \"Open in Channel\" functionality from followed threads","publishedAt":"2025-11-14T08:00:42.467Z","updatedAt":"2025-11-14T15:48:31.081Z","severity":{"score":3.1,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost"],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"<11.0","status":"affected","lessThanOrEqual":"<11.0","versionType":"semver"},{"version":"11.0.0","status":"unaffected"}]}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/41xxx/CVE-2025-41436.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-41436","state":"PUBLISHED","datePublished":"2025-11-14T08:00:42.467Z","dateUpdated":"2025-11-14T15:48:31.081Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2025-10-15T11:16:32.223Z"},"containers":{"cna":{"title":"Unauthorized access to archived channel content via threads interface","descriptions":[{"lang":"en","value":"Mattermost versions <11.0 fail to properly enforce the \"Allow users to view archived channels\" setting which allows regular users to access archived channel content and files via the \"Open in Channel\" functionality from followed threads"}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"<11.0","status":"affected","lessThanOrEqual":"<11.0","versionType":"semver"},{"version":"11.0.0","status":"unaffected"}]}],"references":[{"url":"https://mattermost.com/security-updates"}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","baseSeverity":"LOW","baseScore":3.1},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","type":"CWE","description":"CWE-863: Incorrect Authorization"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2025-11-14T08:00:42.467Z"},"credits":[{"lang":"en","type":"finder","value":"BhaRat (hackit_bharat)"}],"solutions":[{"value":"Update Mattermost to versions 11.0.0 or higher.","lang":"en"}],"source":{"advisory":"MMSA-2024-00337","defect":["https://mattermost.atlassian.net/browse/MM-58202"],"discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-14T15:48:20.224880Z","id":"CVE-2025-41436","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-14T15:48:31.081Z"}}]}}}