{"id":"CVE-2025-36530","state":"PUBLISHED","title":"Import Path Traversal Enables Unauthorized Unsigned Plugin Installation","description":"Mattermost versions 10.9.x <= 10.9.1, 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions.","publishedAt":"2025-08-21T07:11:43.241Z","updatedAt":"2025-08-21T13:50:42.949Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost"],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.9.0","status":"affected","lessThanOrEqual":"10.9.1","versionType":"semver"},{"version":"10.8.0","status":"affected","lessThanOrEqual":"10.8.3","versionType":"semver"},{"version":"10.5.0","status":"affected","lessThanOrEqual":"10.5.8","versionType":"semver"},{"version":"9.11.0","status":"affected","lessThanOrEqual":"9.11.17","versionType":"semver"},{"version":"10.10.0","status":"unaffected"},{"version":"10.9.2","status":"unaffected"},{"version":"10.8.4","status":"unaffected"},{"version":"10.5.9","status":"unaffected"},{"version":"9.11.18","status":"unaffected"}]}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:09:03.054Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/36xxx/CVE-2025-36530.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-36530","state":"PUBLISHED","datePublished":"2025-08-21T07:11:43.241Z","dateUpdated":"2025-08-21T13:50:42.949Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2025-07-22T07:46:53.193Z"},"containers":{"cna":{"title":"Import Path Traversal Enables Unauthorized Unsigned Plugin Installation","descriptions":[{"lang":"en","value":"Mattermost versions 10.9.x <= 10.9.1, 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions."}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.9.0","status":"affected","lessThanOrEqual":"10.9.1","versionType":"semver"},{"version":"10.8.0","status":"affected","lessThanOrEqual":"10.8.3","versionType":"semver"},{"version":"10.5.0","status":"affected","lessThanOrEqual":"10.5.8","versionType":"semver"},{"version":"9.11.0","status":"affected","lessThanOrEqual":"9.11.17","versionType":"semver"},{"version":"10.10.0","status":"unaffected"},{"version":"10.9.2","status":"unaffected"},{"version":"10.8.4","status":"unaffected"},{"version":"10.5.9","status":"unaffected"},{"version":"9.11.18","status":"unaffected"}]}],"references":[{"url":"https://mattermost.com/security-updates"}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","baseSeverity":"MEDIUM","baseScore":6.8},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","type":"CWE","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2025-08-21T07:11:43.241Z"},"credits":[{"lang":"en","type":"finder","value":"Dawid Kulikowski (daw10)"}],"solutions":[{"value":"Update Mattermost to versions 10.10.0, 10.9.2, 10.8.4, 10.5.9, 9.11.18 or higher.","lang":"en"}],"source":{"advisory":"MMSA-2025-00500","defect":["https://mattermost.atlassian.net/browse/MM-64610"],"discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-21T13:50:14.120426Z","id":"CVE-2025-36530","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":"2025-08-21T13:50:42.949Z"}}]}}}