{"action":"Upgrade github.com/mattermost/mattermost-server to 10.11.10 or later.","affected":[{"fixed":"11.2.2","introduced":"11.2.0"},{"fixed":"11.1.3","introduced":"11.1.0"},{"fixed":"10.11.10","introduced":"10.11.0"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2026-22892"],"ecosystem":"Go","epss":0.00269,"exploited":false,"fixed_versions":["11.2.2","11.1.3","10.11.10"],"ghsa_id":"GHSA-9pj7-jh2r-87g8","id":"tcs_01M5KF61AK69YD0V09PFYJ45A2","modified_at":"2026-02-23T19:26:05.244497Z","published_at":"2026-02-13T12:31:21Z","references":["https://osv.dev/vulnerability/GHSA-9pj7-jh2r-87g8","https://nvd.nist.gov/vuln/detail/CVE-2026-22892","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-9pj7-jh2r-87g8","url":"https://osv.dev/vulnerability/GHSA-9pj7-jh2r-87g8"}],"summary":"Mattermost doesn't validate user permissions when creating Jira issues from Mattermost posts"}