{"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_01M5KGFMR6VARJCEKEWWAXTPPH","modified_at":"2026-03-23T18:45:15.214874Z","published_at":"2026-03-23T18:14:47Z","references":["https://osv.dev/vulnerability/GO-2026-4731","https://github.com/advisories/GHSA-m5rv-56xx-hfc6","https://nvd.nist.gov/vuln/detail/CVE-2026-24458","https://github.com/mattermost/mattermost/commit/7201f42d955f1bc44719b862132546626b60a180","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4731#Go/github.com/mattermost/mattermost/server/v8","url":"https://osv.dev/vulnerability/GO-2026-4731"}],"summary":"Mattermost fails to properly handle very long passwords in github.com/mattermost/mattermost-server"}