Vulnerability in easysoft zentaopms

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/easysoft/zentaopms
• github.com/easysoft/zentaopms/blob/zentaopms_22.6_20260917/module/action/control.php
• github.com/easysoft/zentaopms/blob/zentaopms_22.6_20260917/module/action/model.php
• hackmd.io/@hieuPenguinnn/zentaopms-action-editcomment-cross-user-idor
• www.vulncheck.com/advisories/zentao-pms-through-22.6-authorization-bypass-via-action-ed…