CVE-2026-75759

Improper Verification of Cryptographic Signature vulnerability in erlef oidcc allows an unauthenticated attacker to impersonate an arbitrary user via an encrypted ID token or JARM response carrying no nested signature. OpenID Connect Core 1.0 section 2 requires that an encrypted ID token be signe...

CVE-2026-75759 Encrypted ID token or JARM response accepted without a nested signature in erlef oidcc

Improper Verification of Cryptographic Signature vulnerability in erlef oidcc allows an unauthenticated attacker to impersonate an arbitrary user via an encrypted ID token or JARM response carrying no nested signature. OpenID Connect Core 1.0 section 2 requires that an encrypted ID token be signe...

CVE-2026-75759 Encrypted ID token or JARM response accepted without a nested signature in erlef oidcc

Improper Verification of Cryptographic Signature vulnerability in erlef oidcc allows an unauthenticated attacker to impersonate an arbitrary user via an encrypted ID token or JARM response carrying no nested signature. OpenID Connect Core 1.0 section 2 requires that an encrypted ID token be signe...

CVE-2026-75759

erlef oidcc is an Erlang OpenID Connect client library. In versions 3.2.0-beta.1 through before 3.9.0 , an improper verification of cryptographic signature flaw allows an unauthenticated attacker to impersonate an arbitrary user by submitting an encrypted ID token or JARM response that contains n...

PT-2026-83516

Name of the Vulnerable Software and Affected Versions oidcc versions 3.2.0-beta.1 through 3.8.9 Description Improper verification of cryptographic signatures allows an unauthenticated attacker to impersonate any user. The issue occurs when the software accepts a JSON Web Encryption JWE wrapping...