{"id":"CVE-2026-30964","state":"PUBLISHED","title":"Webauthn Framework: allowed_origins collapses URL-like origins to host-only values, bypassing exact origin validation","description":"web-auth/webauthn-lib is an open source set of PHP libraries and a Symfony bundle to allow developers to integrate that authentication mechanism into their web applications. Prior to 5.2.4, when allowed_origins is configured, CheckAllowedOrigins reduces URL-like values to their host component and accepts on host match alone. This makes exact origin policies impossible to express: scheme and port differences are silently ignored. This vulnerability is fixed in 5.2.4.","publishedAt":"2026-03-10T17:16:46.895Z","updatedAt":"2026-03-10T17:57:34.091Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["web-auth webauthn-framework","web-auth webauthn-lib","web-auth webauthn-symfony-bundle"],"affected":[{"vendor":"web-auth","product":"webauthn-framework","versions":[{"version":"< 5.2.4","status":"affected"}]},{"vendor":"web-auth","product":"webauthn-lib","versions":[{"version":"< 5.2.4","status":"affected"}]},{"vendor":"web-auth","product":"webauthn-symfony-bundle","versions":[{"version":"< 5.2.4","status":"affected"}]}],"references":["https://github.com/web-auth/webauthn-framework/security/advisories/GHSA-f7pm-6hr8-7ggm","https://github.com/web-auth/webauthn-framework/commit/535cc3c2dcbd9c3dfd5e00a254ad4a984e5e7839","https://github.com/web-auth/webauthn-framework/commit/b4cd9a4394c35fcac6080fd2f84f4f58a30abc01"],"weaknesses":["CWE-346"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/30xxx/CVE-2026-30964.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-30964","state":"PUBLISHED","datePublished":"2026-03-10T17:16:46.895Z","dateUpdated":"2026-03-10T17:57:34.091Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-07T17:53:48.814Z"},"containers":{"cna":{"title":"Webauthn Framework: allowed_origins collapses URL-like origins to host-only values, bypassing exact origin validation","descriptions":[{"lang":"en","value":"web-auth/webauthn-lib is an open source set of PHP libraries and a Symfony bundle to allow developers to integrate that authentication mechanism into their web applications. Prior to 5.2.4, when allowed_origins is configured, CheckAllowedOrigins reduces URL-like values to their host component and accepts on host match alone. This makes exact origin policies impossible to express: scheme and port differences are silently ignored. This vulnerability is fixed in 5.2.4."}],"affected":[{"vendor":"web-auth","product":"webauthn-framework","versions":[{"version":"< 5.2.4","status":"affected"}]},{"vendor":"web-auth","product":"webauthn-lib","versions":[{"version":"< 5.2.4","status":"affected"}]},{"vendor":"web-auth","product":"webauthn-symfony-bundle","versions":[{"version":"< 5.2.4","status":"affected"}]}],"references":[{"url":"https://github.com/web-auth/webauthn-framework/security/advisories/GHSA-f7pm-6hr8-7ggm","name":"https://github.com/web-auth/webauthn-framework/security/advisories/GHSA-f7pm-6hr8-7ggm","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/web-auth/webauthn-framework/commit/535cc3c2dcbd9c3dfd5e00a254ad4a984e5e7839","name":"https://github.com/web-auth/webauthn-framework/commit/535cc3c2dcbd9c3dfd5e00a254ad4a984e5e7839","tags":["x_refsource_MISC"]},{"url":"https://github.com/web-auth/webauthn-framework/commit/b4cd9a4394c35fcac6080fd2f84f4f58a30abc01","name":"https://github.com/web-auth/webauthn-framework/commit/b4cd9a4394c35fcac6080fd2f84f4f58a30abc01","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-346","lang":"en","description":"CWE-346: Origin Validation Error","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-10T17:16:46.895Z"},"source":{"advisory":"GHSA-f7pm-6hr8-7ggm","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/web-auth/webauthn-framework/security/advisories/GHSA-f7pm-6hr8-7ggm","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-10T17:57:30.314634Z","id":"CVE-2026-30964","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-10T17:57:34.091Z"}}]}}}