Authorization bypass through user-controlled key in MantisBT - CVE-2026-33052
Published: November 6, 2026
Vulnerability identifier: #VU159809
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-33052
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a low-privileged authenticated attacker to create global profiles in MantisBT without the required global profile management permission.
The vulnerability exists due to insufficient authorization checks when a valid profile creation request contains a tampered user_id parameter. A low-privileged authenticated attacker can exploit this with add_profile_threshold permission despite lacking manage_global_profile_threshold permission, causing an unauthorized global profile to be created.
Affected software
MantisBT
How to mitigate CVE-2026-33052
Install security update from vendor's website.
MantisBT - update to 2.28.2