CVE-2026-92289 | CVSS: N/A
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 issues a code even when the request carries no code_challenge, and token() admits the exchange as long as a challenge was stored or an authentication method was returned for the caller. checkEndPointAuthenticationCredentials() skips the secret comparison for a Relying Party marked public and still retur
参考链接:
• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.23.4
• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3719
• http://www.openwall.com/lists/oss-security/2026/09/25/2
📌 数据来源: NVD 官方