CVE-2026-12804 – lemonldap-ng SAML Common Domain Cookie Endpoint CDC.pm redirect

CVE ID :CVE-2026-12804

Published : June 21, 2026, 6:30 p.m. | 1 hour, 13 minutes ago

Description :A vulnerability was detected in lemonldap-ng up to 2.23.0. Impacted is an unknown function in the library lemonldap-ng-portal/lib/Lemonldap/NG/Portal/CDC.pm of the component SAML Common Domain Cookie Endpoint. Performing a manipulation of the argument url results in open redirect. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity: 0.0 | NA

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