Auth bypass in Combodo Itop
CVE-2026-108717
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.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind03/itop-linkset-unchecked-delete-detach-read-20261011 (third-party-advisory)
- github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetController.p… (technical-description)
- github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetController.p… (technical-description)
- github.com/Combodo/iTop (product)
- www.vulncheck.com/advisories/combodo-itop-3.1.0-through-3.3.0-missing-authoriza… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108717?
- CVE-2026-108717 is a medium-severity vulnerability in Combodo Itop, classified under Missing Authorization. CVSS score: 6.3/10. Published 2026-10-11.
- How severe is CVE-2026-108717?
- Medium severity. CVSS v3 base score is 6.3 out of 10.