Auth bypass in Mantisbt
CVE-2025-62520
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Mantisbt — versions < 2.27.2
Weakness classification (CWE)
References
- github.com/mantisbt/mantisbt/security/advisories/GHSA-g582-8vwr-68h2 (Vendor Advisory)
- github.com/mantisbt/mantisbt/commit/4fe94f45fa2baea2aeb4b65781d2009e7b4a0bf3 (Patch)
- mantisbt.org/bugs/view.php (Exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-62520?
- CVE-2025-62520 is a medium-severity vulnerability in Mantisbt, classified under Improper Authorization. CVSS score: 4.3/10. Published 2025-11-04.
- How severe is CVE-2025-62520?
- Medium severity. CVSS v3 base score is 4.3 out of 10.