{"action":"Upgrade github.com/go-pkgz/auth/v2 to 2.1.2 or later.","affected":[{"fixed":"2.1.2","introduced":"2.0.0"}],"component":"github.com/go-pkgz/auth/v2","cve_ids":["CVE-2026-42560"],"ecosystem":"Go","epss":0.00417,"exploited":false,"fixed_versions":["2.1.2"],"ghsa_id":"GHSA-f6qq-3m3h-4g42","id":"tcs_01M5KF8H61YFJBXASYC8VE12PV","modified_at":"2026-06-25T19:56:25.728568125Z","published_at":"2026-04-30T20:47:24Z","references":["https://osv.dev/vulnerability/GHSA-f6qq-3m3h-4g42","https://github.com/go-pkgz/auth/security/advisories/GHSA-f6qq-3m3h-4g42","https://nvd.nist.gov/vuln/detail/CVE-2026-42560","https://github.com/go-pkgz/auth/commit/c0b15ee72a8401da83c01781c16636c521f42698","https://github.com/go-pkgz/auth","https://github.com/go-pkgz/auth/releases/tag/v1.25.2","https://github.com/go-pkgz/auth/releases/tag/v2.1.2"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-f6qq-3m3h-4g42#Go/github.com/go-pkgz/auth/v2","url":"https://osv.dev/vulnerability/GHSA-f6qq-3m3h-4g42"}],"summary":"auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross‑user impersonation"}