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Vulnerability record · CVE-2026-55072 · published 14 September 2026

CVE-2026-55072: Improper input validation vulnerability

Pimcore is an Open Source Data & Experience Management Platform. Prior to 2026.1.5, an authenticated user with the objects permission can submit a malicious ClassDefinition UID because the name and ID validation expressions in models/DataObject/ClassDefinition.php validate only the beginning of each value. When a data object of that class containing a Block field is loaded, Block::load in models/DataObject/ClassDefinition/Data/Block.php incorporates the stored class ID into an unquoted object table identifier, allowing the UID to supply SQL syntax. The resulting query can read or modify arbitrary Pimcore database tables, including disclosure of password hashes, and the flaw represents an incomplete validation hardening because earlier work added a start anchor without enforcing the end of the identifier. This issue is fixed in version 2026.1.5.

8.5 CVSS 3.1 High EPSS 0.41% · top 67.5% CWE-20 · Improper input validationCWE-89 · SQL injection Deferred
8.5CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
16 Sep 2026Last modified by NVD

Description

Pimcore is an Open Source Data & Experience Management Platform. Prior to 2026.1.5, an authenticated user with the objects permission can submit a malicious ClassDefinition UID because the name and ID validation expressions in models/DataObject/ClassDefinition.php validate only the beginning of each value. When a data object of that class containing a Block field is loaded, Block::load in models/DataObject/ClassDefinition/Data/Block.php incorporates the stored class ID into an unquoted object table identifier, allowing the UID to supply SQL syntax. The resulting query can read or modify arbitrary Pimcore database tables, including disclosure of password hashes, and the flaw represents an incomplete validation hardening because earlier work added a start anchor without enforcing the end of the identifier. This issue is fixed in version 2026.1.5.

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

References

LinkTags
https://github.com/pimcore/pimcore/commit/33a0e1887e1e31b4283b016ac5440c35ea5697b4
https://github.com/pimcore/pimcore/pull/19177
https://github.com/pimcore/pimcore/releases/tag/v2026.1.5
https://github.com/pimcore/pimcore/security/advisories/GHSA-2mhj-fhvg-v428
https://github.com/pimcore/pimcore/security/advisories/GHSA-2mhj-fhvg-v428

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Source: NIST National Vulnerability Database (record CVE-2026-55072), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.