CVE-2019-15941

OpenID Connect Issuer in LemonLDAP::NG 2.x through 2.0.5 may allow an attacker to bypass access control rules via a crafted OpenID Connect authorization request. To be vulnerable, there must exist an OIDC Relaying party within the LemonLDAP configuration with weaker access control rules than the target RP, and no filtering on redirection URIs.

• CWE-863

• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1881Third Party Advisory
• https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-0-6-is-out/Third Party Advisory
• https://seclists.org/bugtraq/2019/Sep/46Mailing List, Third Party Advisory
• https://www.debian.org/security/2019/dsa-4533Third Party Advisory
• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1881Third Party Advisory
• https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-0-6-is-out/Third Party Advisory
• https://seclists.org/bugtraq/2019/Sep/46Mailing List, Third Party Advisory
• https://www.debian.org/security/2019/dsa-4533Third Party Advisory

Published

Sep 25, 2019

Last Modified

Jun 17, 2026

Status

Modified

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