CVE-2026-42071
CVE-2026-42071 · MantisBT: Private Bugnote Attachment Content Leak via REST API
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 2.23.0 to 2.28.1, a missing authorization check in MantisBT's file visibility function allows any authenticated user (REPORTER+) to download attachments on private bugnotes they should not be able to access, via the REST API endpoint GET /api/rest/issues/{id}/files and SOAP API mc_issue_attachment_get endpoint. This vulnerability is fixed in 2.28.2.
CVSS 7.2 · High · EPSS 0.3% · Fix available
- Published
- Updated
Stack: php
Affected products and versions
mantisbt
- Versions
- >= 2.23.0, < 2.28.2: Affected
No fix published
mantisbt/mantisbt Packagist
- Versions
- 2.23.0
- 2.23.1
- 2.24.0
- 2.24.1
- 2.24.2
- 2.24.3
- 2.24.4
- 2.24.5
- 2.25.0
- 2.25.1
- 2.25.2
- 2.25.3
- 2.25.4
- 2.25.5
- 2.25.6
- 2.25.7
- 2.25.8
- 2.26.0
- 2.26.1
- 2.26.2
- 2.26.3
- 2.26.4
- 2.27.0
- 2.27.1
- 2.27.2
- 2.27.3
- 2.28.0
- 2.28.1
- Affected ranges
- ECOSYSTEM: ≥ 2.23.0, < 2.28.2
Update to 2.28.2
Original sources
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-pw5x-2mf9-3xc8
- https://github.com/mantisbt/mantisbt/commit/029d9d203d9e4ae96b3e59d552fa7395cc1e5071
- https://mantisbt.org/bugs/view.php?id=27039
- https://mantisbt.org/bugs/view.php?id=36985
- https://mantisbt.org/bugs/view.php?id=37092
- https://nvd.nist.gov/vuln/detail/CVE-2026-42071