CVE-2025-62520: MantisBT unauthorized disclosure of private project column configuration

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-11-04 · updated 2026-10-19
Weakness: CWE-285

Description

Mantis Bug Tracker (MantisBT) is an open source issue tracker. In versions 2.27.1 and below, due to insufficient access-level checks, any non-admin user with access to manage_config_columns_page.php can use the Copy From action to retrieve the columns configuration from a private project they have no access to. This issue is fixed in version 2.27.2.

Affected products

mantisbt: before 2.27.2 — fixed in 2.27.2

How to fix

Upgrade to a fixed version: mantisbt 2.27.2. Check the vendor advisory for mitigations.

References

https://github.com/mantisbt/mantisbt/commit/4fe94f45fa2baea2aeb4b65781d2009e7b4a0bf3
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-g582-8vwr-68h2
https://mantisbt.org/bugs/view.php?id=36502

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