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Vulnerability · Published Jan 15, 2026 · Assigned by GitHub_M

CVE-2026-23495Pimcore's Admin Classic Bundle is Missing Function Level Authorization on "Predefined Properties" Listing

Medium 4.3

In plain English

A medium-severity improper access control in pimcore from pimcore. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 70.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Pimcore's Admin Classic Bundle provides a Backend UI for Pimcore. Prior to 2.2.3 and 1.7.16, the API endpoint for listing Predefined Properties in the Pimcore platform lacks adequate server-side authorization checks. Predefined Properties are configurable metadata definitions (e.g., name, key, type, default value) used across documents, assets, and objects to standardize custom attributes and improve editorial workflows, as documented in Pimcore's official properties guide. Testing confirmed that an authenticated backend user without explicit permissions for property management could successfully call the endpoint and retrieve the complete list of these configurations. The vulnerability is fixed in 2.2.3 and 1.7.16.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistpimcore/admin-ui-classic-bundle2.2.3GHSA-hqrp-m84v-2m2f
Packagistpimcore/admin-ui-classic-bundle1.7.16GHSA-hqrp-m84v-2m2f

Affected products (as reported)

VendorProductVersions
pimcore pimcore >= 2.0.0-RC1, < 2.2.3< 1.7.16

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References