CVE-2026-34949: CWE-306: Missing Authentication for Critical Function in Combodo iTop
Description
CVE-2026-34949 is a vulnerability in Combodo iTop, a web-based IT service management tool. Versions prior to 3.2.3 allow an unauthenticated user to delete the .readonly file, which is created during setup to prevent write actions. This missing authentication for a critical function could enable unauthorized modification of the system. The issue is fixed in version 3.2.3.
CVSS v3.1
Score 6.5medium
Affected software
Combodo
iTop
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Combodo iTop versions before 3.2.3 contain a missing authentication vulnerability (CWE-306) that permits unauthenticated users to delete the .readonly file. This file is intended to restrict write operations on the system. The deletion of this file by an attacker could lead to unauthorized write actions. The vulnerability has been addressed and fixed in version 3.2.3.
Potential Impact
An unauthenticated attacker can delete a critical .readonly file, potentially enabling unauthorized write actions on the iTop instance. This could lead to integrity and availability impacts, as indicated by the CVSS vector (no confidentiality impact, but integrity and availability impacts are low).
Mitigation Recommendations
Upgrade to Combodo iTop version 3.2.3 or later, where this vulnerability has been fixed. No other mitigation is required as the issue is resolved in the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-03-31T17:27:08.661Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a88d6e2acd9273b49d6b7ff
Added to database: 08/21/2026, 22:53:22 UTC
Last enriched: 09/11/2026, 02:18:26 UTC
Last updated: 10/05/2026, 18:48:18 UTC
Views: 88
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