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CVE-2026-30964

Webauthn Framework: allowed_origins collapses URL-like origins to host-only values, bypassing exact origin validation PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
web-auth / webauthn-frameworkaffected < 5.2.4
web-auth / webauthn-libaffected < 5.2.4
web-auth / webauthn-symfony-bundleaffected < 5.2.4

CWE

CWE-346

References

ADP enrichment

CISA-ADP

No English description supplied.