{"action":"Upgrade github.com/mattermost/mattermost-server to 10.11.9+incompatible or later.","affected":[{"fixed":"10.11.9+incompatible","introduced":"10.11.0+incompatible"},{"fixed":"11.0.7+incompatible","introduced":"11.0.1+incompatible"},{"fixed":"11.1.2+incompatible","introduced":"11.1.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2025-14435"],"ecosystem":"Go","epss":0.00308,"exploited":false,"fixed_versions":["10.11.9+incompatible","11.0.7+incompatible","11.1.2+incompatible"],"ghsa_id":"GHSA-mx8m-v8qm-xwr8","id":"tcs_01M5KGD4H42WPJ5GYWAJ21PBTD","modified_at":"2026-02-26T18:41:14.083385Z","published_at":"2026-02-26T16:27:46Z","references":["https://osv.dev/vulnerability/GO-2026-4326","https://github.com/advisories/GHSA-mx8m-v8qm-xwr8","https://nvd.nist.gov/vuln/detail/CVE-2025-14435","https://github.com/mattermost/mattermost/commit/613bb616cd62c584a606919e6978688e7b87d81e","https://github.com/mattermost/mattermost/commit/9f7629504bc93f79af8d606329c025a687e143cd","https://github.com/mattermost/mattermost/commit/cc6b77b271324796b72f1e6b82dba85a86462f9f","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GO-2026-4326","url":"https://osv.dev/vulnerability/GO-2026-4326"},{"source":"nvd","source_id":"CVE-2025-14435","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-14435"}],"summary":"Mattermost is vulnerable to DoS due to infinite re-renders on API errors in github.com/mattermost/mattermost-server"}