CVE-2026-71553

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{"affected": [{"affectedData": [{"product": "apostrophe", "vendor": "apostrophecms", "versions": [{"status": "affected", "version": "<= 4.32.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ApostropheCMS is an open-source Node.js content management system. In 4.32.0 and earlier, PATCH /api/v1/article/:id accepts the inherited path toString.call and passes it through the utility module to apos.util.set() and apos.util.get(), allowing an authenticated editor to overwrite the shared Object.prototype.toString function's call property and cause a persistent process-wide denial of service until restart."}, {"lang": "es", "value": "ApostropheCMS es un sistema de gesti\u00f3n de contenido de c\u00f3digo abierto basado en Node.js. En las versiones 4.32.0 y anteriores, PATCH /API/v1/article/:id acepta la ruta heredada toString.call y la pasa a trav\u00e9s del m\u00f3dulo de utilidad a apos.util.set() y apos.util.get(), permitiendo a un editor autenticado sobrescribir la propiedad \u2019call\u2019 de la funci\u00f3n compartida Object.prototype.toString y causar una denegaci\u00f3n de servicio persistente en todo el proceso hasta el reinicio."}], "id": "CVE-2026-71553", "lastModified": "2026-10-23T16:10:00.313", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-71553", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-17T20:14:00.169874Z", "version": "2.0.3"}}]}, "published": "2026-08-17T20:16:46.073", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/apostrophecms/apostrophe/commit/5a3746aaed49761e171c2cbfe793267c959829fd"}, {"source": "security-advisories@github.com", "url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-vmg4-6gfg-83qx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.32.0]"}}], "enrichment": {"confidence": 94.0, "confidence_source": "matching", "scores": [{"score": 94.0, "source": "matching"}]}, "original": {"product": "apostrophe", "source": "cna", "vendor": "apostrophecms"}, "product": "apostrophecms", "vendor": "apostrophecms"}], "created": "2026-08-17T21:45:03.117631+00:00", "updated": "2026-08-24T21:12:50.382912+00:00", "vendors": ["apostrophecms", "apostrophecms$PRODUCT$apostrophecms"]}