Tóm tắt nhanh
- CVE-2026-42071 là lỗ hổng mức CAO (CVSS 7.2) ảnh hưởng mantisbt/mantisbt.
- Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.26%, cao hơn 17.8% các lỗ hổng khác.
- Cách xử lý: cập nhật lên 2.28.2 hoặc mới hơn.
| Gói / sản phẩm | Phiên bản bị ảnh hưởng | Phiên bản đã vá |
|---|
| mantisbt/mantisbt Packagist | ≥ 2.23.0, < 2.28.2
| 2.28.2
|
Mô tả
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.
Impact
- REPORTER (access level 25) can view file attachments that were uploaded to private bugnotes by DEVELOPER/MANAGER/ADMIN users
- Private bugnotes are intended for internal developer discussion; their attachments (logs, screenshots, patches) should be equally protected
- The web UI is NOT affected — it filters through bugnote_get_all_visible_bugnotes() first
Patches
- 029d9d203d9e4ae96b3e59d552fa7395cc1e5071
Workarounds
None
Credits
Thanks to the following security researchers for independently discovering and responsibly reporting the issue.
- Vishal Shukla
- Tristan Madani (@TristanInSec) from Talence Security
- Tang Cheuk Hei (@siunam321)
This advisory's contents was largely copied from Tristan's well-written report.
Mô tả của NVD
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.
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