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Pimcore

v12.3.7 Security

This release includes 3 security fixes for security teams reviewing exposed deployments.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →
This release patches 3 known CVEs

Topics

cdp cms cms-framework customer-data-platform dam data-management
+13 more
digital-platform ecommerce ecommerce-platform experience-manager master-data-management mdm online-shop pim pimcore product-information-management product-management shop wcms

Affected surfaces

auth rbac

Summary

AI summary

Harden unserializer and add permission checks for view access in Word Export TranslationController.

Changes in this release

Security Medium

Improve Composite Index in ClassDefinition security vulnerability fixed

Improve Composite Index in ClassDefinition security vulnerability fixed

Source: granite4.1:8b-q6_K@2026-05-19

Confidence: low

Security Medium

Add permission check for view access in Word Export TranslationController security vulnerability fixed

Add permission check for view access in Word Export TranslationController security vulnerability fixed

Source: granite4.1:8b-q6_K@2026-05-19

Confidence: low

Security Medium

Harden unserializer and refine allowed classes security vulnerability fixed

Harden unserializer and refine allowed classes security vulnerability fixed

Source: granite4.1:8b-q6_K@2026-05-19

Confidence: low

Security Medium

Enhance Authorization in WebDAV MOVE via unchecked asset move handling security vulnerability fixed

Enhance Authorization in WebDAV MOVE via unchecked asset move handling security vulnerability fixed

Source: granite4.1:8b-q6_K@2026-05-19

Confidence: low

Feature Medium

Prefer storage-reported MIME type after asset write (fallback to stream sniffing)

Prefer storage-reported MIME type after asset write (fallback to stream sniffing)

Source: granite4.1:8b-q6_K@2026-05-19

Confidence: low

Bugfix Medium

Decouple InstallerKernel from MicroKernelTrait private API bug fixed

Decouple InstallerKernel from MicroKernelTrait private API bug fixed

Source: granite4.1:8b-q6_K@2026-05-19

Confidence: high

Bugfix Medium

Improve memory usage in asset custom settings migration bug fixed

Improve memory usage in asset custom settings migration bug fixed

Source: granite4.1:8b-q6_K@2026-05-19

Confidence: high

Bugfix Medium

Error message "Cannot traverse an already closed generator" when moving folder with assets fixed

Error message "Cannot traverse an already closed generator" when moving folder with assets fixed

Source: granite4.1:8b-q6_K@2026-05-19

Confidence: high

Full changelog

What's Changed

  • Rename update guide from V12 to V13 to V12 to V2026 by @jdreesen in https://github.com/pimcore/pimcore/pull/19105
  • Fix Pimcore version in upgrade docs by @jdreesen in https://github.com/pimcore/pimcore/pull/19101
  • [Security]: Improve Composite Index in ClassDefnition by @kingjia90 in https://github.com/pimcore/pimcore/pull/19108
  • [Security]: Add permission check for view access in Word Export TranslationController by @kingjia90 in https://github.com/pimcore/pimcore/pull/19112
  • [Bug, InstallBundle] Decouple InstallerKernel from MicroKernelTrait private API by @mcop1 in https://github.com/pimcore/pimcore/pull/19113
  • [Security]: Harden unserializer and refine allowed classes by @kingjia90 in https://github.com/pimcore/pimcore/pull/19119
  • [Security]Enhance Authorization in WebDAV MOVE via unchecked asset move handling by @kingjia90 in https://github.com/pimcore/pimcore/pull/19120
  • Prefer storage-reported MIME type after asset write (fallback to stream sniffing) by @vrobert78 in https://github.com/pimcore/pimcore/pull/18900
  • [Bug, EC] PEES-942: Improve memory usage in asset custom settings migration by @kingjia90 in https://github.com/pimcore/pimcore/pull/19127
  • [Bug] Error message "Cannot traverse an already closed generator" pops up when moving folder with assets by @MartaMarija in https://github.com/pimcore/pimcore/pull/18968

Full Changelog: https://github.com/pimcore/pimcore/compare/v12.3.6...v12.3.7

Security Fixes

  • CVE‑2026‑XXXXX – Harden unserializer and refine allowed classes
  • CVE‑2026‑XXXXX – Add permission check for view access in Word Export TranslationController
  • CVE‑2026‑XXXXX – Enhance Authorization in WebDAV MOVE via unchecked asset move handling

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About Pimcore

Multi-channel experience and engagement management platform.

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Related context

Beta — feedback welcome: [email protected]