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{"cveTags": [], "descriptions": [{"lang": "en", "value": "ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, `apos.util.set()` traverses dot-notation paths without sanitizing `__proto__`, allowing an authenticated editor to write arbitrary values to `Object.prototype` via the `$pullAll` patch operator. A confirmed gadget in `publicApiCheck()` causes this to bypass authorization on all piece-type REST API endpoints for every subsequent unauthenticated request, for the lifetime of the Node.js process. As of time of publication, no known patched versions are available."}], "id": "CVE-2026-53609", "lastModified": "2026-06-15T20:54:05.470", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.3, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-06-12T22:16:52.803", "references": [{"source": "[email protected]", "url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-6h5j-32cf-4253"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-6h5j-32cf-4253"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "[email protected]", "type": "Secondary"}]}

{}

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