CVE-2026-111346

MEDIUM 5.4

ZenTao PMS through 22.6 Authorization Bypass via action::editComment

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

ZenTao PMS through 22.6 contains an authorization bypass vulnerability in action::editComment that allows authenticated users to read and overwrite other users' comments by supplying an arbitrary actionID. Attackers can iterate sequential action ids to modify comments on bugs, stories, tasks, and documents in products and projects they cannot access, and view targeted comment content and attachments.

CWE	CWE-639
Vendor	easysoft
Product	zentaopms
Published	Oct 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

easysoft / zentaopms

0 ≤ 22.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

hackmd.io: https://hackmd.io/@hieuPenguinnn/zentaopms-action-editcomment-cross-user-idor github.com: https://github.com/easysoft/zentaopms/blob/zentaopms_22.6_20260917/module/action/control.php#L384-L426 github.com: https://github.com/easysoft/zentaopms/blob/zentaopms_22.6_20260917/module/action/model.php#L2025-L2057 github.com: https://github.com/easysoft/zentaopms vulncheck.com: https://www.vulncheck.com/advisories/zentao-pms-through-22.6-authorization-bypass-via-action-editcomment

Credits

hieuPenguinnn