UBUNTU-CVE-2026-92289

Lemonldap::NG::Portal versions from 2.23.0 before 2.23.4 for Perl allow a PKCE bypass for public Relying Parties in "PKCE or secret" mode because checkEndPointAuthenticationCredentials does not verify the client secret. With oidcRPMetaDataOptionsRequirePKCE set to 2, the authorization endpoint...

EUVD-2026-86489

Lemonldap::NG::Portal versions from 2.23.0 before 2.23.4 for Perl allow a PKCE bypass for public Relying Parties in "PKCE or secret" mode because checkEndPointAuthenticationCredentials does not verify the client secret. With oidcRPMetaDataOptionsRequirePKCE set to 2, the authorization endpoint...

PT-2026-98320

Name of the Vulnerable Software and Affected Versions Lemonldap::NG::Portal versions 2.23.0 through 2.23.3 Description An issue exists where public Relying Parties in PKCE or secret mode can bypass Proof Key for Code Exchange PKCE, a security extension for OAuth 2.0 that prevents authorization co...