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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00239.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
easysoft zentaopms unaffected
Version Status Constraints
0 affected ≤ 22.6

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Fri, 16 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description 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.
Title ZenTao PMS through 22.6 Authorization Bypass via action::editComment
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-16T16:46:31.490Z

Reserved: 2026-10-15T20:53:32.807Z

Link: CVE-2026-111346

cve-icon Vulnrichment

Updated: 2026-10-16T16:46:26.927Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T22:19:32.150

Modified: 2026-10-16T18:25:45.343

Link: CVE-2026-111346

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T16:30:13Z

Weaknesses