Is web-auth/webauthn-framework affected by GHSA-h4fw-6r7f-w494?

Packagist web-auth/webauthn-framework is affected in >=5.3.0 <5.3.1.

Is GHSA-h4fw-6r7f-w494 being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

low

GHSA-h4fw-6r7f-w494

Q: Is GHSA-h4fw-6r7f-w494 being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

Packagist · web-auth/webauthn-framework

Summary

Webauthn has a User Verification Downgrade via Default-Open ClientOverridePolicy

Severity: low
Published: 2026-05-07

References

https://github.com/web-auth/webauthn-framework/security/advisories/GHSA-h4fw-6r7f-w494
https://github.com/web-auth/webauthn-framework

Related advisories

CVE-2026-30964 — medium · Packagist/web-auth/webauthn-framework
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.