CVE-2026-56774
Medium · 5.4CVSS
5.4
EPSS
0.5%
Published
Jun 25, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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