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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Mantisbt
  • Mantisbt

No data.

No data.

References
Link Providers
https://github.com/mantisbt/mantisbt/commit/b262b4d2835b81394d75356dead66e52a6275206 cve-icon cve-icon
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-h4x5-gvx6-3rwc cve-icon cve-icon
https://mantisbt.org/bugs/view.php?id=36976 cve-icon cve-icon
History

Wed, 20 May 2026 00:45:00 +0000

Type Values Removed Values Added
First Time appeared Mantisbt
Mantisbt mantisbt
Vendors & Products Mantisbt
Mantisbt mantisbt

Tue, 19 May 2026 23:30:00 +0000

Type Values Removed Values Added
Description 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.
Title MantisBT allows unauthorized users to upload attachments to restricted issues via REST API
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-05-19T23:05:27.818Z

Updated: 2026-05-19T23:05:27.818Z

Reserved: 2026-03-30T19:17:10.225Z

Link: CVE-2026-34754

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-20T00:16:34.857

Modified: 2026-05-20T00:16:34.857

Link: CVE-2026-34754

cve-icon Redhat

No data.