CVE-2026-39975

Combodo iTop: Remote code execution using external auth variable value

Published Aug 24, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Combodo
Combodo itop
Vendors & Products Combodo
Combodo itop
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Combodo iTop: Remote code execution using external auth variable value
Weaknesses CWE-94
References
Metrics cvssV4_0

{'score': 9.4, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 24, 2026, 7:58 PM
Reserved
Apr 8, 2026, 12:01 AM
Status
Deferred
Published
Aug 24, 2026, 7:16 PM
Modified
Oct 12, 2026, 3:10 PM