Pimcore CMS/DXP up to 12.3.8 checkMethodAllowed special elements used in a template engine

Summaryinfo

A vulnerability marked as problematic has been reported in Pimcore CMS and DXP up to 12.3.8. This impacts the function checkMethodAllowed. Performing a manipulation results in improper neutralization of special elements used in a template engine. This vulnerability is reported as CVE-2026-11407. The attack is possible to be carried out remotely. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Pimcore CMS and DXP up to 12.3.8. This affects the function checkMethodAllowed. The manipulation with an unknown input leads to a improper neutralization of special elements used in a template engine vulnerability. CWE is classifying the issue as CWE-1336. The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Pimcore CMS/DXP version 12.3.8 contains a sandbox bypass vulnerability that allows authenticated administrative attackers to execute arbitrary methods on PHP objects by exploiting empty checkMethodAllowed() and checkPropertyAllowed() implementations in the custom Twig SecurityPolicy. Attackers can supply malicious Twig templates through the DataObject ClassDefinition Layout\Text component to perform arbitrary file reads, execute arbitrary database queries, and potentially achieve remote code execution via PHP object gadget chains, with the pimcore_* function wildcard further broadening the bypass to all Pimcore Twig functions.

The weakness was disclosed by Saidakbarxon Maxsudxonov. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-11407 since 06/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are required for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1221 for this issue.

Applying the patch fffa7f6396329e88610db70a8652529bbc734892 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Type

• Information Management Software

Vendor

• Pimcore

Name

• CMS
• DXP

Version

• 12.3.0
• 12.3.1
• 12.3.2
• 12.3.3
• 12.3.4
• 12.3.5
• 12.3.6
• 12.3.7
• 12.3.8

License

• open-source

CPE 2.3info

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CPE 2.2info

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