{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server/v5","cve_ids":["CVE-2025-64641"],"ecosystem":"Go","epss":0.00175,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-vww6-79rv-3j4x","id":"tcs_01M5KGCQMYGSVAKE85GVFBJTTC","modified_at":"2026-02-26T18:55:58.706299Z","published_at":"2026-02-26T16:27:46Z","references":["https://osv.dev/vulnerability/GO-2025-4260","https://github.com/advisories/GHSA-vww6-79rv-3j4x","https://nvd.nist.gov/vuln/detail/CVE-2025-64641","https://github.com/mattermost/mattermost/commit/b57c297c6d7ae6812d85e32a625806ac9555deee","https://github.com/mattermost/mattermost/pull/34551","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.1},"sources":[{"source":"osv","source_id":"GO-2025-4260#Go/github.com/mattermost/mattermost-server/v5","url":"https://osv.dev/vulnerability/GO-2025-4260"},{"source":"nvd","source_id":"CVE-2025-64641","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64641"}],"summary":"Mattermost doesn't verify that post actions invoking `/share-issue-publicly` were created by the Jira plugin in github.com/mattermost/mattermost-server"}