CVE-2026-34970

MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked

Published May 19, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-crmx-4p49-46m2 MantisBT: Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mantisbt
Mantisbt mantisbt
Vendors & Products Mantisbt
Mantisbt mantisbt
Type Values Removed Values Added
Description Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.
Title MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 5.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 20, 2026, 1:04 PM
Reserved
Mar 31, 2026, 7:38 PM
Status
Deferred
Published
May 20, 2026, 12:16 AM
Modified
Jul 24, 2026, 9:10 AM