CVE-2026-34836 Combodo iTop: Improper access control in ajax.render.php and ajax.document.php
Attackers can access documents without proper permission checks in Combodo iTop, leading to unauthorized data disclosure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34836?
CVE-2026-34836 is a medium-severity missing authorization vulnerability in Combodo iTop, published on 21 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Combodo iTop is a web based IT service management tool. Prior to 3.2.3, improper access control in ajax.render.php and ajax.document.php allows for document access without checking on user permissions. This issue has been fixed in version 3.2.3.
Weakness: CWE-862
Which versions are affected by CVE-2026-34836?
How do I fix CVE-2026-34836?
No fix has been published for CVE-2026-34836 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-34836 being exploited?
There is no known exploitation of CVE-2026-34836 in the wild and no public exploit code.
Sources
Also known as GHSA-2gvp-4cv3-cx6j.