{"id":"CVE-2022-41912","aliases":["GHSA-j2jp-wvqg-wc2g","GO-2022-1129"],"url":"https://o3.security/vulnerability/CVE-2022-41912","summary":"crewjam/saml go library is vulnerable to signature bypass via multiple Assertion elements","details":"### Impact\n\nThe crewjam/saml go library is vulnerable to an authentication bypass when processing SAML responses containing multiple Assertion elements.\n\n### Patches\n\nThis issue has been corrected in version 0.4.9.\n\n### Credit\n\nThis issue was reported by Felix Wilhelm from Google Project Zero.\n","published":"2022-11-28T00:00:00Z","modified":"2026-08-12T03:51:13.292917982Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":{"score":0.02179,"percentile":0.80769,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/crewjam/saml","fixedVersion":"0.4.9"}],"fix":{"url":"https://github.com/crewjam/saml/commit/aee3fb1edeeaf1088fcb458727e0fd863d277f8b","label":"crewjam/saml@aee3fb1"},"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/170356/crewjam-saml-Signature-Bypass.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41912.json"},{"type":"ADVISORY","url":"https://github.com/crewjam/saml/security/advisories/GHSA-j2jp-wvqg-wc2g"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41912"},{"type":"FIX","url":"https://github.com/crewjam/saml/commit/aee3fb1edeeaf1088fcb458727e0fd863d277f8b"},{"type":"WEB","url":"https://github.com/prometheus/exporter-toolkit/security/advisories/GHSA-7rg2-cxvp-9p7p"},{"type":"PACKAGE","url":"https://github.com/crewjam/saml"},{"type":"WEB","url":"https://github.com/crewjam/saml/releases/tag/v0.4.9"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2022-1129"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:13.292917982Z"}}