{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20260129164748-7201f42d955f or later.","affected":[{"fixed":"8.0.0-20260129164748-7201f42d955f","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2026-24458"],"ecosystem":"Go","epss":0.00283,"exploited":false,"fixed_versions":["8.0.0-20260129164748-7201f42d955f"],"ghsa_id":"GHSA-m5rv-56xx-hfc6","id":"tcs_01M5KFF9NJZJGZVWARXZSNES7V","modified_at":"2026-03-23T18:56:03.732922Z","published_at":"2026-03-16T15:30:42Z","references":["https://osv.dev/vulnerability/GHSA-m5rv-56xx-hfc6","https://nvd.nist.gov/vuln/detail/CVE-2026-24458","https://github.com/mattermost/mattermost/commit/7201f42d955f1bc44719b862132546626b60a180","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-m5rv-56xx-hfc6","url":"https://osv.dev/vulnerability/GHSA-m5rv-56xx-hfc6"}],"summary":"Mattermost fails to properly handle very long passwords"}