ZenTao PMS Authorization Bypass via action::editComment
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
ZenTao PMS through 22.6 contains an authorization bypass in action::editComment, tracked under CWE-639. An authenticated user who supplies an arbitrary actionID can read and overwrite comments written by other users. 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.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for ZenTao PMS.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-16 Threatist record created from CVE-2026-111346
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-16 Priority changed: LOW → MEDIUM
References
More easysoft vulnerabilities
- TI-2026-83119 Missing authorization in ZenTao PMS lets users read private documents CVSS 4.0HIGH 7.1
- TI-2026-78772 ZenTao PMS Authorization Bypass via Ajax Controller Methods CVSS 4.0HIGH 7.1
- TI-2026-84800 Improper privilege management in EasySoft ZenTao PMS User module CVSS 4.0MEDIUM 5.3
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences