{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server/v6","cve_ids":["CVE-2026-3114"],"ecosystem":"Go","epss":0.00436,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-vhgh-g7x8-4rx8","id":"tcs_01M5KGP06SWYHC7BTV0S9V8KMF","modified_at":"2026-06-25T23:01:25.632521089Z","published_at":"2026-06-25T22:34:38Z","references":["https://osv.dev/vulnerability/GO-2026-5663","https://github.com/advisories/GHSA-vhgh-g7x8-4rx8","https://nvd.nist.gov/vuln/detail/CVE-2026-3114","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5663#Go/github.com/mattermost/mattermost-server/v6","url":"https://osv.dev/vulnerability/GO-2026-5663"}],"summary":"Mattermost doesn't validate decompressed archive entry sizes during file extraction in github.com/mattermost/mattermost-server"}