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.
Published: 2026-05-19
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-h4x5-gvx6-3rwc MantisBT has an Authorization Bypass that Allows Uploading Attachments to Private Issues via REST API
History

Wed, 20 May 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


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'}


Subscriptions

Mantisbt Mantisbt
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-20T15:09:04.024Z

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

Link: CVE-2026-34754

cve-icon Vulnrichment

Updated: 2026-05-20T15:07:30.902Z

cve-icon NVD

Status : Deferred

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

Modified: 2026-06-17T10:39:33.910

Link: CVE-2026-34754

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-20T00:30:17Z

Weaknesses