CVE-2026-34744

5.3 mediumEPSS 0.4%

Medium (5.3). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.3 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWEs: CWE-200, CWE-281
Published: 2026-05-19
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

References

https://github.com/mantisbt/mantisbt/commit/de7bdeec36de066235e38a77bf056917d951c84d
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-rmp5-5jj7-gmvf
https://mantisbt.org/bugs/view.php?id=36977

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