CVE-2026-34390: MantisBT Vulnerable to Privilege Escalation from Manager to Administrator

medium Affects mantisbt/mantisbt. Feed 2026.10.29.1, updated 2026-10-28; published 2026-05-11; advisory modified 2026-09-10.

MantisBT Vulnerable to Privilege Escalation from Manager to Administrator

Package: mantisbt/mantisbt Composer
Affected versions: <2.28.2
Fixed in: 2.28.2
Severity: medium
Exploitation: not on CISA KEV · EPSS 0% (36.9th percentile)
Published: 2026-05-11
Source: osv.dev

References

CWE-284

NVD record mantisbt/mantisbt advisories

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