CVE-2026-34949 Combodo iTop: Unauthenticated user can delete .readonly file

Medium 6.5 Published Updated

Unauthenticated attackers can delete the .readonly file, bypassing write restrictions and enabling unauthorized data modification in Combodo iTop.

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-2026-34949?

CVE-2026-34949 is a medium-severity missing authorization 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, an unauthenticated user could delete the .readonly file on iTop instances — a file created during the setup process that prevents users from performing write actions. This issue has been fixed in version 3.2.3.

Weakness: CWE-306

Which versions are affected by CVE-2026-34949?

How do I fix CVE-2026-34949?

No fix has been published for CVE-2026-34949 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-2026-34949 being exploited?

There is no known exploitation of CVE-2026-34949 in the wild and no public exploit code.

Sources

Also known as GHSA-2xh3-r27f-3pr5.

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