Is web-auth/webauthn-framework affected by CVE-2026-30964?

Packagist web-auth/webauthn-framework is affected in >=5.2.0 <5.2.4.

Is CVE-2026-30964 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2026-30964

Q: Is CVE-2026-30964 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

Packagist · web-auth/webauthn-framework • Packagist · web-auth/webauthn-lib • Packagist · web-auth/webauthn-symfony-bundle

Summary

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

Severity: medium
EPSS: 0.2% (p9)
Also known as: GHSA-f7pm-6hr8-7ggm#web-auth/webauthn-framework, GHSA-f7pm-6hr8-7ggm#web-auth/webauthn-lib, GHSA-f7pm-6hr8-7ggm#web-auth/webauthn-symfony-bundle
Published: 2026-03-10

References

https://github.com/web-auth/webauthn-framework/security/advisories/GHSA-f7pm-6hr8-7ggm
https://nvd.nist.gov/vuln/detail/CVE-2026-30964
https://github.com/web-auth/webauthn-framework/commit/535cc3c2dcbd9c3dfd5e00a254ad4a984e5e7839

Related advisories

CVE-2024-39912 — medium · Packagist/web-auth/webauthn-framework

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.