CVE-2026-111346

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.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2026-10-15

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

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

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