CVE-2026-34970 MEDIUM

CVE-2026-34970: MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked

Vendor Mantisbt
Product mantisbt
Weakness CWE-200 · Info exposure
Published May 19, 2026
Last update May 20, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 19, 2026 CVE published
May 20, 2026 Record updated