CVE-2026-39975

Combodo iTop: Remote code execution using external auth variable value

State: Published
Severity: 9.4 Critical
Published: Aug 24, 2026
Updated: Aug 24, 2026
Reserved: Apr 8, 2026

Description

Combodo iTop is a web-based IT service management tool. Prior to 3.2.3, unauthenticated users could delete the .readonly file on iTop instances, leading to code execution. This file, created during the setup process, prevents users from performing write actions. This issue has been fixed in version 3.2.3.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H	GitHub_M

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
iTopCombodo	< 3.2.3Affected

References

https://github.com/Combodo/iTop/security/advisories/GHSA-h823-537c-xwfh

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