Pimcore up to 11.5.13/12.3.0 http_error_log log file

Summaryinfo

A vulnerability was found in Pimcore up to 11.5.13/12.3.0. It has been rated as problematic. This impacts an unknown function of the file http_error_log. This manipulation causes log file. This vulnerability appears as CVE-2026-23493. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Pimcore up to 11.5.13/12.3.0 and classified as problematic. Affected by this vulnerability is an unknown function of the file http_error_log. The manipulation with an unknown input leads to a log file vulnerability. The CWE definition for the vulnerability is CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. As an impact it is known to affect confidentiality. The summary by CVE is:

Pimcore is an Open Source Data & Experience Management Platform. Prior to 12.3.1 and 11.5.14, the http_error_log file stores the $_COOKIE and $_SERVER variables, which means sensitive information such as database passwords, cookie session data, and other details can be accessed or recovered through the Pimcore backend. This vulnerability is fixed in 12.3.1 and 11.5.14.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-23493 since 01/13/2026. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 11.5.14 or 12.3.1 eliminates this vulnerability.

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Productinfo

Type

• Information Management Software

Name

• Pimcore

Version

• 11.5.0
• 11.5.1
• 11.5.2
• 11.5.3
• 11.5.4
• 11.5.5
• 11.5.6
• 11.5.7
• 11.5.8
• 11.5.9
• 11.5.10
• 11.5.11
• 11.5.12
• 11.5.13
• 12.0
• 12.1
• 12.2
• 12.3.0

License

• open-source

Website

• Product: https://github.com/pimcore/pimcore/

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