Vulnerability · Published Oct 11, 2026 · Assigned by VulnCheck

CVE-2026-108717Combodo iTop 3.1.0 through 3.3.0 Missing Authorization via LinkSetController

Medium 6.3

In plain English

A medium-severity missing authorization in iTop from Combodo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.3%top 81.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Combodo	iTop	3.1.0 – through 3.3.0

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

https://hackmd.io/@haind03/itop-linkset-unchecked-delete-detach-read-20261011 third-party-advisory
https://github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetController.php#L43-L121 technical-description
https://github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetController.php#L272-L301 technical-description
https://github.com/Combodo/iTop product
VulnCheck Advisory: Combodo iTop 3.1.0 through 3.3.0 Missing Authorization via LinkSetController third-party-advisory