CVE-2026-34949

Received Received - Intake

Unauthenticated File Deletion in Combodo iTop

Publication date: 2026-08-21

Last updated on: 2026-08-21

Assigner: GitHub, Inc.

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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-21

Last Modified

2026-08-21

Generated

2026-08-22

AI Q&A

2026-08-22

EPSS Evaluated

N/A

NVD

CVE-2026-34949

Affected Vendors & Products

Vendor	Product	Version / Range
combodo	itop	to 3.2.3 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability in Combodo iTop versions prior to 3.2.3 allows an unauthenticated user to delete the .readonly file. This file normally prevents write actions on the system, so its deletion could enable unauthorized modifications to the IT service management tool.

Detection Guidance

To detect this vulnerability, check for the presence of the .readonly file in iTop installations. If the file is missing or deleted, the system may be vulnerable. Verify the iTop version; versions prior to 3.2.3 are affected. No specific commands are provided in the context.

Impact Analysis

An attacker could exploit this to alter system configurations, delete or modify critical data, or disrupt IT service management operations. This could lead to data loss, service outages, or unauthorized access to sensitive information.

Compliance Impact

This vulnerability allows unauthenticated users to delete the .readonly file, enabling write actions on iTop instances. This could lead to unauthorized modifications of sensitive data, potentially violating compliance requirements for GDPR (data integrity) and HIPAA (integrity and availability of protected health information).

Mitigation Strategies

Upgrade Combodo iTop to version 3.2.3 or later to address the vulnerability. Check for unauthorized file modifications, especially the .readonly file, and restore it if deleted.

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