{"id":"CVE-2026-55634","title":"Pimcore is an Open Source Data & Experience Management Platform","summary":"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 DataObjec…","severity":"critical","cvss":9.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-89","CWE-94"],"vendor":"pimcore","product":"pimcore/pimcore","affected":["pimcore/pimcore <= 12.3.9","pimcore/pimcore >= 2026.1.0, <= 2026.1.5"],"patched":["pimcore/pimcore 12.3.10","pimcore/pimcore 2026.1.6"],"published":"2026-08-28","updated":"2026-09-09","sourceUpdated":"2026-09-09T21:09:13.080","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-55634","references":[{"url":"https://github.com/advisories/GHSA-r2f4-ff2p-xc64","label":"security-advisories@github.com"},{"url":"https://github.com/pimcore/pimcore/commit/a4f8c3cfee58b7d5fe4873d67782eff58dae9b9d","label":"security-advisories@github.com"},{"url":"https://github.com/pimcore/pimcore/pull/19183","label":"security-advisories@github.com"},{"url":"https://github.com/pimcore/pimcore/releases/tag/v2026.1.6","label":"security-advisories@github.com"},{"url":"https://github.com/pimcore/pimcore/security/advisories/GHSA-9x44-4gxf-8c25","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-r2f4-ff2p-xc64","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/advisories/GHSA-9x44-4gxf-8c25"}],"tags":["nvd","ghsa","composer"],"epss":0.00448,"epssPercentile":0.38347,"aliases":["GHSA-9x44-4gxf-8c25"],"ecosystem":"composer","ingestedAt":"2026-08-28T19:24:18.749Z","slug":"CVE-2026-55634","body":"## Overview\n\nPimcore 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-55634)\n\nAffected packages:\n\n- `pimcore/pimcore <= 12.3.9`\n- `pimcore/pimcore >= 2026.1.0, <= 2026.1.5`\n\nPatched in:\n\n- `pimcore/pimcore 12.3.10`\n- `pimcore/pimcore 2026.1.6`\n\nSource: https://github.com/advisories/GHSA-9x44-4gxf-8c25","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":54.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}