MantisBT has an Authorization Bypass that Allows Uploading Attachments to Private Issues via REST API
### Impact MantisBT allows an authenticated user to upload attachments to private Issues they are not authorized to access. ### Patches - b262b4d2835b81394d75356dead66e52a6275206 ### Workarounds None. ### Credits Thanks to Vishal Shukla for discovering and responsibly reporting the issue.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-34754US | — | — | ||
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow an authenticated user to upload attachments to private Issues they are not authorized… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/mantisbt/mantisbtPACKAGE
- https://github.com/mantisbt/mantisbt/commit/b262b4d2835b81394d75356dead66e52a6275206WEB
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-h4x5-gvx6-3rwcWEB
- https://mantisbt.org/bugs/view.php?id=36976WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-34754ADVISORY
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