CVE-2026-34970: MantisBT: Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked

May 11, 2026 (updated June 5, 2026)

MantisBT allows a bugnote author to access the note’s Revisions page after losing access to the parent private issue.

References

github.com/advisories/GHSA-crmx-4p49-46m2
github.com/mantisbt/mantisbt/commit/71df1f67e05b2050cd4bd87839e6cc13747cf03f
github.com/mantisbt/mantisbt/security/advisories/GHSA-crmx-4p49-46m2
mantisbt.org/bugs/view.php?id=36978
nvd.nist.gov/vuln/detail/CVE-2026-34970

Code Behaviors & Features

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