Vulnerabilities CVE-2026-42070

CVE-2026-42070

Medium

Open

TLP:CLEAR

MantisBT: Authorization Bypass in Bugnote Editing via Issue Update API

NVD CVE.org

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Description

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Prior to 2.28.2, the mc_issue_update() function in MantisBT allows users having update_bug_threshold access (UPDATER, with default settings) to edit, change view state, and modify time tracking on bugnotes belonging to other users — bypassing the default DEVELOPER (level 55) threshold required by the dedicated mc_issue_note_update() function. This vulnerability is fixed in 2.28.2.

Details

CVSS Score: 5.3
EPSS Score ⓘ: 0.26%

17.5th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Confidence: 90%
Published: May 28, 2026
Last Modified: May 28, 2026

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