CVE-2026-46419

Yubico webauthn-server-core aka java-webauthn-server 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation...

Incorrect Check of Function Return Value

Overview Affected versions of this package are vulnerable to Incorrect Check of Function Return Value in the "second factor" flow where FinishAssertionSteps fails to cross-check the verified credential handle against the requested username when a userHandle is not found for that username during t...

CVE-2026-46419

Yubico webauthn-server-core aka java-webauthn-server 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation...

EUVD-2026-30211

Yubico webauthn-server-core aka java-webauthn-server 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation...

CVE-2026-46419

Yubico webauthn-server-core aka java-webauthn-server 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation...

PT-2026-40845

Yubico webauthn-server-core aka java-webauthn-server 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation...

CVE-2026-46419

Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 is affected by a vulnerability in the second factor flow where a function’s return value was not checked, enabling impersonation. The issue is fixed in version 2.8.2 (released with a security advisory from Yubico). Affected product/vers...