CVE-2026-34970CWE-200

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

Medium · published May 19, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
38.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.00451 · 38.2th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-05-19T23:17Z
EPSS history
Timeline
  • 19 MAY 23:17Z
    MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked
    cvelistv5