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CVE-2026-30964

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:76bf05e10e42de6f917e2ae6a629e4d354d6518bf83d12c7d1a77e7c5edd8b49
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"product":"webauthn-symfony-bundle","vendor":"web-auth","versions":[{"status":"affected","version":"< 5.2.4"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/affected/2

{"product":"webauthn-framework","vendor":"web-auth","versions":[{"status":"affected","version":"< 5.2.4"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/affected/0

{"product":"webauthn-lib","vendor":"web-auth","versions":[{"status":"affected","version":"< 5.2.4"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/affected/1

Affected products and versions

3 source assertions
{"product":"webauthn-symfony-bundle","vendor":"web-auth","versions":[{"status":"affected","version":"< 5.2.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/affected/2
{"product":"webauthn-framework","vendor":"web-auth","versions":[{"status":"affected","version":"< 5.2.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/affected/0
{"product":"webauthn-lib","vendor":"web-auth","versions":[{"status":"affected","version":"< 5.2.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/web-auth/webauthn-framework/commit/535cc3c2dcbd9c3dfd5e00a254ad4a984e5e7839","tags":["x_refsource_MISC"],"url":"https://github.com/web-auth/webauthn-framework/commit/535cc3c2dcbd9c3dfd5e00a254ad4a984e5e7839"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/references/1
{"name":"https://github.com/web-auth/webauthn-framework/commit/b4cd9a4394c35fcac6080fd2f84f4f58a30abc01","tags":["x_refsource_MISC"],"url":"https://github.com/web-auth/webauthn-framework/commit/b4cd9a4394c35fcac6080fd2f84f4f58a30abc01"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://github.com/web-auth/webauthn-framework/security/advisories/GHSA-f7pm-6hr8-7ggm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/adp/0/references/0
{"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/security/advisories/GHSA-f7pm-6hr8-7ggm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12f4d6b157056305d9caa94df7a1131fd9b76104ff4a7eae33273abf3c9fbc9a · sha256:a1048285dd490993… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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