Pimcore: Insufficient Permission Check on Class Definition Creation Endpoint Allows Privilege Escalation

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Summary

CVECVE-2026-55212
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-09 21:16:56 UTC
Updated2026-07-09 21:16:56 UTC
DescriptionPimcore is an Open Source Data & Experience Management Platform. Prior to 2025.4.6 and 2026.1.6, the Studio API class definition creation endpoint POST /pimcore-studio/api/class/definition/configuration-view/detail/create is guarded by the objects permission instead of the classes permission, allowing a standard editor-level user to create class definitions without admin privileges. Class definition creation generates new database tables and PHP class files on the server, and missing API-layer UID format validation allows malformed UIDs to reach model-layer validation and return internal exceptions. This issue is fixed in versions 2025.4.6 and 2026.1.6.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Problem Types: CWE-285 | CWE-285 CWE-285: Improper Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
3.1CNADECLARED7.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Pimcore Pimcore affected >= 2026.1.0, < 2026.1.6 Not specified
CNA Pimcore Pimcore affected < 2025.4.6 Not specified

References

ReferenceSourceLinkTags
github.com/pimcore/studio-backend-bundle/pull/1886 [email protected] github.com
github.com/pimcore/studio-backend-bundle/commit/d1a4788c0f159c360d550c34... [email protected] github.com
github.com/pimcore/studio-backend-bundle/releases/tag/v2025.4.6 [email protected] github.com
github.com/pimcore/pimcore/security/advisories/GHSA-f97c-ph8j-8vff [email protected] github.com
github.com/pimcore/studio-backend-bundle/releases/tag/v2026.1.6 [email protected] github.com
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