CVE-2026-34970

EPSS 0.01%

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

Published: 5/11/2026Modified: 5/11/2026

Description

MantisBT allows a bugnote author to access the note's Revisions page after losing access to the parent private issue. ### Impact Disclosure of the private Issue's Id and Summary. The bugnote full revision body remains secure. ### Patches - 71df1f67e05b2050cd4bd87839e6cc13747cf03f ### Workarounds None ### Credits Thanks to Vishal Shukla for discovering and responsibly reporting the issue.

Affected packages (1)

Packagist/mantisbt/mantisbtfrom 0, < 2.28.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 4.0	—	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

References (4)

PATCHhttps://github.com/mantisbt/mantisbt
WEBhttps://github.com/mantisbt/mantisbt/commit/71df1f67e05b2050cd4bd87839e6cc13747cf03f
WEBhttps://github.com/mantisbt/mantisbt/security/advisories/GHSA-crmx-4p49-46m2
WEBhttps://mantisbt.org/bugs/view.php?id=36978