CVE-2026-34741 Combodo iTop: Authentication bypass in exec.php allows PHP file execution
Unauthenticated attackers can execute arbitrary PHP files on new iTop instances in production mode, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34741?
CVE-2026-34741 is a high-severity authentication bypass vulnerability in Combodo iTop, published on 21 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Combodo iTop is a web based IT service management tool. Prior to 3.2.3, authentication bypass allows unauthenticated remote attackers to execute arbitrary PHP files from the env-production directory on a new iTop instance in the production environment. This issue has been fixed in version 3.2.3.
Weakness: CWE-306
Which versions are affected by CVE-2026-34741?
How do I fix CVE-2026-34741?
No fix has been published for CVE-2026-34741 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-34741 being exploited?
There is no known exploitation of CVE-2026-34741 in the wild and no public exploit code.
Sources
Also known as GHSA-36h9-5qw2-jcc6.