CVE-2026-34744
mediumpriority · track · 0EPSS 0.004 · 37 %ileEUUSEPSS · scored 2026-10-24
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 user even after it becomes private, bypassing read access revocation. The loss of confidentiality caused by this vulnerability is minimal, considering that only attachments previously uploaded by the user themselves remain accessible. This issue has been fixed in version 2.82.2.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-rmp5-5jj7-gmvfMantisBT has an authorization bypass that allows reading attachments after losing access to a private issue2026-05-11ghsa · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://mantisbt.org/download.phpPatchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-34744cnnvd
- https://github.com/mantisbt/mantisbt/commit/de7bdeec36de066235e38a77bf056917d951c84denisa_euvd
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-rmp5-5jj7-gmvfenisa_euvd
- https://mantisbt.org/bugs/view.php?id=36977enisa_euvd
- https://github.com/mantisbt/mantisbt/commit/de7bdeec36de066235e38a77bf056917d951c84dnvd
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-rmp5-5jj7-gmvfnvd
- https://mantisbt.org/bugs/view.php?id=36977nvd
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