CVE-2026-34754

MediumCVSS 4.3

Published: 20/05/2026(UTC)Updated: 24/07/2026(UTC)Translated: 25/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.25%

16th percentile - higher than 16% of all known CVEs

Summary

Mantis Bug Tracker (MantisBT) versions up to 2.28.1 allow an authenticated user to upload attachments to private issues they are not authorized to access.

Risk Assessment

Risk of confidential information leakage through unauthorized attachment uploads to private issues.

Recommendation

Update MantisBT to version 2.28.2 or later.

Original NVD description (English source)

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow an authenticated user to upload attachments to private Issues they are not authorized to access. This issue has been fixed in version 2.28.2.