{"id":"CVE-2025-64641","state":"PUBLISHED","title":"Mattermost Jira plugin crafted action leaks Jira issue details","description":"Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts","publishedAt":"2025-12-24T08:02:55.476Z","updatedAt":"2025-12-24T16:35:17.618Z","severity":{"score":4.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost"],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"11.1.0","status":"affected","lessThanOrEqual":"11.1.0","versionType":"semver"},{"version":"11.0.0","status":"affected","lessThanOrEqual":"11.0.5","versionType":"semver"},{"version":"10.12.0","status":"affected","lessThanOrEqual":"10.12.3","versionType":"semver"},{"version":"10.11.0","status":"affected","lessThanOrEqual":"10.11.7","versionType":"semver"},{"version":"11.2.0","status":"unaffected"},{"version":"11.1.1","status":"unaffected"},{"version":"11.0.6","status":"unaffected"},{"version":"10.12.4","status":"unaffected"},{"version":"10.11.8","status":"unaffected"}]}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/64xxx/CVE-2025-64641.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-64641","state":"PUBLISHED","datePublished":"2025-12-24T08:02:55.476Z","dateUpdated":"2025-12-24T16:35:17.618Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2025-11-26T11:34:02.680Z"},"containers":{"cna":{"title":"Mattermost Jira plugin crafted action leaks Jira issue details","descriptions":[{"lang":"en","value":"Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts"}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"11.1.0","status":"affected","lessThanOrEqual":"11.1.0","versionType":"semver"},{"version":"11.0.0","status":"affected","lessThanOrEqual":"11.0.5","versionType":"semver"},{"version":"10.12.0","status":"affected","lessThanOrEqual":"10.12.3","versionType":"semver"},{"version":"10.11.0","status":"affected","lessThanOrEqual":"10.11.7","versionType":"semver"},{"version":"11.2.0","status":"unaffected"},{"version":"11.1.1","status":"unaffected"},{"version":"11.0.6","status":"unaffected"},{"version":"10.12.4","status":"unaffected"},{"version":"10.11.8","status":"unaffected"}]}],"references":[{"url":"https://mattermost.com/security-updates","name":"MMSA-2025-00551","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","baseSeverity":"MEDIUM","baseScore":4.1},"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":"2025-12-24T08:02:55.476Z"},"credits":[{"lang":"en","type":"finder","value":"Juho Forsén"}],"solutions":[{"value":"Update Mattermost to versions 11.2.0, 11.1.1, 11.0.6, 10.12.4, 10.11.8 or higher.","lang":"en"}],"source":{"advisory":"MMSA-2025-00551","defect":["https://mattermost.atlassian.net/browse/MM-66322"],"discovery":"{\"self\"=>\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=>\"Internal\", \"id\"=>\"10557\"}"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-24T16:35:04.296093Z","id":"CVE-2025-64641","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":"2025-12-24T16:35:17.618Z"}}]}}}