CVE-2026-108717

Description

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.

References

• https://github.com/Combodo/iTop
• https://github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetController.php#L272-L301
• https://github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetController.php#L43-L121
• https://hackmd.io/@haind03/itop-linkset-unchecked-delete-detach-read-20261011
• https://www.vulncheck.com/advisories/combodo-itop-3.1.0-through-3.3.0-missing-authorization-via-linksetcontroller