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

CVE-2026-23493 · Severity: low · CVSS 3.1 · Published 2026-01-15

Pimcore ENV Variables and Cookie Informations are exposed in http_error_log

Technologies: pimcore/pimcore (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2026-23493 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-23493 being exploited in the wild.
How severe is CVE-2026-23493?
Low severity, with a CVSS score of 3.1, published 15 January 2026.
Which products and versions are affected?
pimcore/pimcore (Packagist) ECOSYSTEM:introduced=12.0.0-RC1,fixed=12.3.1.
Is there a fix for CVE-2026-23493?
Yes. pimcore/pimcore (Packagist): upgrade to 12.3.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-23493?
Check whether you run pimcore/pimcore (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • pimcore/pimcore (Packagist): upgrade to 12.3.1 or later
    composer require pimcore/pimcore:^12.3.1

Affected products

  • pimcore/pimcore (Packagist) ECOSYSTEM:introduced=12.0.0-RC1,fixed=12.3.1

Identifiers

  • CVE-2026-23493
  • GHSA-q433-j342-rp9h

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