{"action":"Upgrade pimcore/studio-backend-bundle to 2026.1.6 or later.","affected":[{"fixed":"2026.1.6","introduced":"0"},{"fixed":"2026.1.6","introduced":"2026.1.0"}],"component":"pimcore/studio-backend-bundle","cve_ids":["CVE-2026-55212"],"ecosystem":"Packagist","epss":0.00351,"exploited":false,"fixed_versions":["2026.1.6"],"ghsa_id":"GHSA-f97c-ph8j-8vff","id":"tcs_01M5KF1MPXKS7KCGA2WPZH1FXW","modified_at":"2026-09-10T03:51:13.959408673Z","published_at":"2026-08-28T19:05:25Z","references":["https://osv.dev/vulnerability/GHSA-f97c-ph8j-8vff","https://github.com/pimcore/pimcore/security/advisories/GHSA-f97c-ph8j-8vff","https://nvd.nist.gov/vuln/detail/CVE-2026-55212","https://github.com/pimcore/studio-backend-bundle/pull/1886","https://github.com/pimcore/studio-backend-bundle/commit/d1a4788c0f159c360d550c34256c8abbbd633ae0","https://github.com/pimcore/pimcore","https://github.com/pimcore/studio-backend-bundle/releases/tag/v2025.4.6","https://github.com/pimcore/studio-backend-bundle/releases/tag/v2026.1.6"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"GHSA-f97c-ph8j-8vff","url":"https://osv.dev/vulnerability/GHSA-f97c-ph8j-8vff"}],"summary":"Pimcore: Insufficient Permission Check on Class Definition Creation Endpoint Allows Privilege Escalation"}