cvedb.io
CVE-2026-34390
UNKNOWN · CVSS n/a
EPSS exploitation probability: 0%
Published 2026-05-19T22:16:37.807 · Last modified 2026-06-17T10:38:59.967

Summary

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior have a Privilege Escalation vulnerability where insufficient access control checks in ProjectUsersAddCommand (manage_proj_user_add.php) allow users having manage_project_threshold access level (manager by default) to grant project-level administrator access to any user (including themselves) in any Project they have manager rights in. The normal project-user add form restricts the selectable access levels to the actor's own project role or below. However, the backend handler still accepts a forged higher access_level value and writes it. The consequences of the privilege escalation are slight, as having administrator access at Project level is effectively not very different from being manager, and it d

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.