CVE-2026-34970

MEDIUM

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

Title source: cna
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v4 5.3
EPSS 0.0037
EPSS Percentile 28.8%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-200
Status published
Products (2)
mantisbt/mantisbt 0 - 2.28.2Packagist
mantisbt/mantisbt < 2.28.2
Published May 20, 2026
Tracked Since May 20, 2026