CVE-2026-34744
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk29th percentile - higher than 29% of all known CVEs
Summary
Mantis Bug Tracker (MantisBT) versions 2.28.1 and earlier allow a user to list and download their own attachments from an issue created by another user even after it becomes private, bypassing read access revocation. The confidentiality impact is minimal as only the user's own attachments are accessible. This is fixed in version 2.82.2.
Risk Assessment
The risk is that users can access their own attachments in private issues, potentially violating access policies, but with limited confidentiality impact.
Recommendation
Update MantisBT to version 2.82.2 or later.
Original NVD description (English source)
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior permit a user to list and download their own attachments from an Issue created by another user even after it becomes private, bypassing read access revocation. The loss of confidentiality caused by this vulnerability is minimal, considering that only attachments previously uploaded by the user themselves remain accessible. This issue has been fixed in version 2.82.2.