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CVE-2026-55634— Pimcore: Remote Code Execution via DataObject Class-Definition Field Name

Quick assessment

Affected
pimcore pimcore
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Pimcore 是一个开源的数据与体验管理平台。在 11.5.19、12.3.10 和 2026.1.6 之前，类定义导入端点 接受来自 输出的 DataObject 字段名称，这些字段名称未经过标识符白名单校验，直接嵌入到生成的 PHP 属性中；同时， 也会将其作为 语句中的标识符使用。拥有对象权限的认证用户可以利用该漏洞，将 PHP 语法注入到生成的 DataObject 类中，从而使得攻击者控制的代码在实例化该类的对象时，在生成的 文件中执行；此外，攻击者还可以向修改数据库结构的 SQL 语句中注入 SQL

CVSS 9.9 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
pimcore pimcore < 11.5.19 affected
>= 12.0.0-RC1, < 12.3.10 affected
>= 2026.1.0, < 2026.1.6 affected
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I. Basic Information for CVE-2026-55634

Vulnerability Information
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Vulnerability Title
Pimcore: Remote Code Execution via DataObject Class-Definition Field Name
Source: CVE Program / CVE List V5
Vulnerability Description
Pimcore is an Open Source Data & Experience Management Platform. Prior to 11.5.19, 12.3.10, and 2026.1.6, the class-definition import endpoint /pimcore-studio/api/class/definition/configuration-view/detail/{id}/import accepts a DataObject field name that is emitted without an identifier allowlist by lib/DataObject/ClassBuilder/FieldDefinitionPropertiesBuilder.php into generated PHP properties and by models/DataObject/ClassDefinition/Helper/Dao.php into ALTER TABLE identifiers. An authenticated user with the objects permission can inject PHP syntax into the generated DataObject class, causing attacker-controlled code in generated var/classes/DataObject/.php files to run when an object of that class is instantiated, and can also inject SQL identifier content into schema-changing statements. The central models/DataObject/ClassDefinition/Data.php::setName() validation did not reject semicolons, braces, backticks, spaces, or other non-identifier characters. This issue is fixed in versions 11.5.19, 12.3.10, and 2026.1.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
pimcore pimcore < 11.5.19 -

II. Public POCs for CVE-2026-55634

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III. Intelligence Information for CVE-2026-55634

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Patches & Fixes for CVE-2026-55634 (2)

Vendor Advisories for CVE-2026-55634 (2)

Vendor Pages for CVE-2026-55634 (1)

IV. Related Vulnerabilities

Same product: pimcore
Same vendor: pimcore
Same weakness: CWE-89

V. Comments for CVE-2026-55634

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