CVE-2026-34970
MantisBT: Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked
EPSS 0.01%
Description
MantisBT allows a bugnote author to access the note's Revisions page after losing access to the parent private issue. ### Impact Disclosure of the private Issue's Id and Summary. The bugnote full revision body remains secure. ### Patches - 71df1f67e05b2050cd4bd87839e6cc13747cf03f ### Workarounds None ### Credits Thanks to Vishal Shukla for discovering and responsibly reporting the issue.
How to fix CVE-2026-34970
To remediate CVE-2026-34970, upgrade the affected package to a fixed version below.
- —upgrade to 2.28.2 or later
Is CVE-2026-34970 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.28.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |