Source: kanboard Version: 1.2.51+ds-2 Severity: grave Tags: security upstream Justification: user security hole Forwarded: https://github.com/kanboard/kanboard/issues/5829 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for kanboard. CVE-2026-56774[0]: | Kanboard through 1.2.52, fixed in commit 928c68a, | UserViewController::removeSession fails to validate the session id | parameter before passing it to RememberMeSessionModel::remove, | allowing authenticated users to delete other users' Remember Me | sessions. Attackers can enumerate sequential session IDs and mass- | invalidate persistent login sessions of any user, including | administrators, forcing re-authentication and causing denial of | service. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-56774 https://www.cve.org/CVERecord?id=CVE-2026-56774 [1] https://github.com/kanboard/kanboard/issues/5829 [2] https://github.com/kanboard/kanboard/pull/5831 [3] https://github.com/kanboard/kanboard/commit/928c68aa2b7c00092dd71084d329b912e229f3d1 Regards, Salvatore

