{"id":"CVE-2022-39300","aliases":["EUVD-2022-7029","GHSA-5p8w-2mvw-38pv"],"status":"published","title":"Signature bypass via multiple root elements in node-SAML","description":"node SAML is a SAML 2.0 library based on the SAML implementation of passport-saml. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to node-saml version 4.0.0-beta5 or newer. Disabling SAML authentication may be done as a workaround.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00782,"percentile":0.56431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-347"],"published":"2022-10-12T22:05:44Z","modified":"2026-10-28T02:31:07Z","fixes":[{"ecosystem":"npm","package":"node-saml","fixed_in":["4.0.0-beta.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"node-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0-beta.5"}]}]},{"source":"osv","ecosystem":"npm","package":"node-saml","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.0.0-beta.5"}]}]}],"products":[{"vendor":"node-saml","product":"node-saml"},{"vendor":"node_saml_project","product":"node_saml"}],"references":[{"url":"https://github.com/node-saml/node-saml/security/advisories/GHSA-5p8w-2mvw-38pv","tags":["x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/node-saml/node-saml/commit/c1f275c289c01921e58f5c70ce0fdbc5287e5fbe","tags":["x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39300","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5p8w-2mvw-38pv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39300.json","tags":["advisory"]},{"url":"https://github.com/node-saml/node-saml","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-39300","title":"Signature bypass via multiple root elements in node-SAML","description":"node SAML is a SAML 2.0 library based on the SAML implementation of passport-saml. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to node-saml version 4.0.0-beta5 or newer. Disabling SAML authentication may be done as a workaround.","status":"published","published":"2022-10-13T00:00:00Z","modified":"2025-04-23T16:50:20.803Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:34:39.233406Z"}],"euvd":[{"id":"EUVD-2022-7029","description":"node SAML is a SAML 2.0 library based on the SAML implementation of passport-saml. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to node-saml version 4.0.0-beta5 or newer. Disabling SAML authentication may be done as a workaround.","status":"published","published":"2022-10-13T00:00:00Z","modified":"2025-04-23T16:50:20Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T20:52:11.891054Z"}],"ghsa":[{"id":"GHSA-5p8w-2mvw-38pv","title":"Signature bypass via multiple root elements","description":"### Impact\n\nA remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered.\n\n### Patches\n\nUsers should upgrade to node-saml v4.0.0-beta5 or newer. \n\n### Workarounds\n\nDisable SAML authentication.\n\n### References\n_Are there any links users can visit to find out more?_\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open a discussion in the [node-saml repo](https://github.com/node-saml/node-saml/discussions)\n\n### Credits\n\n* Felix Wilhelm of Google Project Zero\n\n","status":"published","published":"2022-10-12T22:05:44Z","modified":"2023-01-28T05:04:55Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:36:24.277749Z"}],"nvd":[{"id":"CVE-2022-39300","description":"node SAML is a SAML 2.0 library based on the SAML implementation of passport-saml. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to node-saml version 4.0.0-beta5 or newer. Disabling SAML authentication may be done as a workaround.","status":"published","published":"2022-10-13T22:15:10.3Z","modified":"2026-06-17T04:58:05.997Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:07:29.52424Z"}],"osv":[{"id":"CVE-2022-39300","title":"Signature bypass via multiple root elements in node-SAML","description":"node SAML is a SAML 2.0 library based on the SAML implementation of passport-saml. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to node-saml version 4.0.0-beta5 or newer. Disabling SAML authentication may be done as a workaround.","status":"published","published":"2022-10-13T00:00:00Z","modified":"2026-10-28T02:31:07.956351929Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:44:26.860704Z"},{"id":"GHSA-5p8w-2mvw-38pv","title":"Signature bypass via multiple root elements","description":"### Impact\n\nA remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered.\n\n### Patches\n\nUsers should upgrade to node-saml v4.0.0-beta5 or newer. \n\n### Workarounds\n\nDisable SAML authentication.\n\n### References\n_Are there any links users can visit to find out more?_\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open a discussion in the [node-saml repo](https://github.com/node-saml/node-saml/discussions)\n\n### Credits\n\n* Felix Wilhelm of Google Project Zero\n\n","status":"published","published":"2022-10-12T22:05:44Z","modified":"2023-11-08T04:10:18.269789Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:46:38.553953Z"}]}}