CVE-2026-34579

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and prior are vulnerable to Authorization Bypass through the private issue monitoring feature . Using a crafted POST request to bugmonitoradd.php, a user with project-level access can add themselves as a monitor for a...

CVE-2026-34579: Incorrect Authorization

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and prior are vulnerable to Authorization Bypass through the private issue monitoring feature . Using a crafted POST request to bugmonitoradd.php, a user with project-level access can add themselves as a monitor for a...

GHSA-GGW7-9675-6V4V MantisBT has an authorization bypass in private issue monitoring

Using a crafted POST request to bugmonitoradd.php, a user with project-level access can add themselves as a monitor for a private issue they do not have access to. Despite displaying an Access Denied error, the application accepts the request and creates a monitor relationship for the private...