MantisBT has an authorization bypass that allows reading attachments after losing access to a private issue
MantisBT permits a user to list and download their own attachments from an Issue created by another user, even after that Issue becomes private and direct access to it is denied. ### Impact The loss of confidentiality caused by this vulnerability is minimal, considering that only the attachments that were previously uploaded by the user themselves remains accessible. ### Patches - de7bdeec36de066235e38a77bf056917d951c84d ### Workarounds None. ### Credits Thanks to Vishal Shukla for discovering and responsibly reporting the issue.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-34744US | — | — | ||
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior permit a user to list and download their own attachments from an Issue created by another u… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/mantisbt/mantisbtPACKAGE
- https://github.com/mantisbt/mantisbt/commit/de7bdeec36de066235e38a77bf056917d951c84dWEB
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-rmp5-5jj7-gmvfWEB
- https://mantisbt.org/bugs/view.php?id=36977WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-34744ADVISORY
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