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CVE Vulnerability Details :
CVE-2026-34744
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-19 May, 2026 | 22:45
Updated At-19 May, 2026 | 22:45
Rejected At-
▼CVE Numbering Authority (CNA)
MantisBT authorization bypass allows continued access to self-uploaded attachments on private issues

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.

Affected Products
Vendor
Mantis Bug Tracker (MantisBT)mantisbt
Product
mantisbt
Versions
Affected
  • < 2.28.2
Problem Types
TypeCWE IDDescription
CWECWE-200CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWECWE-281CWE-281: Improper Preservation of Permissions
Type: CWE
CWE ID: CWE-200
Description: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Type: CWE
CWE ID: CWE-281
Description: CWE-281: Improper Preservation of Permissions
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-rmp5-5jj7-gmvf
x_refsource_CONFIRM
https://github.com/mantisbt/mantisbt/commit/de7bdeec36de066235e38a77bf056917d951c84d
x_refsource_MISC
https://mantisbt.org/bugs/view.php?id=36977
x_refsource_MISC
Hyperlink: https://github.com/mantisbt/mantisbt/security/advisories/GHSA-rmp5-5jj7-gmvf
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/mantisbt/mantisbt/commit/de7bdeec36de066235e38a77bf056917d951c84d
Resource:
x_refsource_MISC
Hyperlink: https://mantisbt.org/bugs/view.php?id=36977
Resource:
x_refsource_MISC
Details not found