Missing authorization in Combodo iTop LinkSetController lets users bypass grants
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 · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Combodo iTop versions 3.1.0 through 3.3.0 contain a missing authorization flaw (CWE-862) in LinkSetController.php. An authenticated console user can bypass profile grants by supplying arbitrary class and key parameters to the linkset routes. An attacker with low privileges over the network can delete objects, clear external keys, and read object attributes without permission.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Combodo iTop 3.1.0 through 3.3.0 contains a missing authorization vulnerability in LinkSetController.php that allows authenticated console users to bypass profile grants by supplying arbitrary class and key parameters. Attackers can invoke the linkset delete, detach and get-remote-object routes to delete objects, clear external keys, and read object attributes without permission.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 Combodo iTop.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-108717
- 2026-10-11 Alias added: GHSA-p2cr-76v5-5835
- 2026-10-13 CISA SSVC decision points changed
References
More Combodo vulnerabilities
- TI-2022-08681 Stored Cross-site Scripting in Combodo iTop CVSS 3.1HIGH 8.7
- TI-2022-08593 Code Injection in Combodo iTop CVSS 3.1HIGH 8.8
- TI-2021-18080 Possible Cross-Site Request Forgery in Combodo iTop CVSS 3.1HIGH 8.1
- TI-2026-21869 Combodo iTop: User enumeration via password reset CVSS 3.1HIGH 7.5
- TI-2023-25672 Cross Site Scripting vulnerability in Combodo iTop v.3.1.0-2-11973 allows a local… CVSS 3.1MEDIUM 6.1
- TI-2022-18593 Authenticated users of Combodo iTop can take over any account CVSS 3.1CRITICAL 9.6
Sources
- CVE-2026-108717 · CVE Program
- CVE-2026-108717 · NVD
- FIRST EPSS
- GHSA-p2cr-76v5-5835 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences