CVE-2026-34970: Mantisbt

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.

Affected products

• Mantisbt Mantisbt: before 2.28.2 (fixed in 2.28.2)

Published 2026-05-20. Last modified 2026-07-24.