What’s Vulnerable › Vulnerabilities

CVE-2026-23493: Pimcore ENV Variables and Cookie Informations are exposed in http_error_log

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-15 · updated 2026-06-17
• Weakness: CWE-532

Description

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.

Affected products

• pimcore/pimcore: before 11.5.14; from 12.0.0 before 12.3.1 — fixed in 11.5.14, 12.3.1

How to fix

Upgrade to a fixed version: pimcore/pimcore 11.5.14, 12.3.1. Check the vendor advisory for mitigations.

References

• https://github.com/pimcore/pimcore/commit/002ec7d5f84973819236796e5b314703b58e8601
• https://github.com/pimcore/pimcore/pull/18918
• https://github.com/pimcore/pimcore/releases/tag/v11.5.14
• https://github.com/pimcore/pimcore/releases/tag/v12.3.1
• https://github.com/pimcore/pimcore/security/advisories/GHSA-q433-j342-rp9h
• https://github.com/pimcore/pimcore/security/advisories/GHSA-q433-j342-rp9h

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