MantisBT Bugnote Revisions Access without Issue Permission (before 2.28.2)
CVE-2026-34970 Published on May 19, 2026
MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.
Weakness Type
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2026-34970 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2026-34970
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Affected Versions
mantisbt Version < 2.28.2 is affected by CVE-2026-34970Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.