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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.0.0,9.6.0-alpha.29)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.6.49)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "parse-server", "source": "cna", "vendor": "parse-community"}, "product": "parse_server", "vendor": "parse_community"}], "analysis": {"en": {"generated_at": "2026-03-19T17:23:05.360360+00:00", "value": {"mitigation_remediation": ["Apply the vendor patch in Parse Server 9.6.0\u2011alpha.29 or later, and 8.6.49 or later", "If immediate patching is not possible, implement a Cloud Code beforeSave trigger on the _User class to reject sign\u2011ups where authData is empty and no username/password is provided", "Monitor your application for unauthorized account creation attempts and review logs for suspicious authData usage", "Stay updated by checking the Parse Server repository and official advisories for future fixes"], "summary": {"action": "Apply Patch", "impact": "Authentication Bypass"}, "threat_synthesis": {"affected_systems": "Affected products are parse-community Parse Server prior to 9.6.0\u2011alpha.29 and 8.6.49. Any deployment of those versions running on Node.js is vulnerable, including all builds listed in the CPE set, up to alpha.28.", "description_and_impact": "Parse Server allows bypass of the username/password requirement during user sign\u2011up when an empty authData object is submitted. This flaw is a classic insecure authentication weakness (CWE\u2011287) and permits attackers to create authenticated sessions without providing credentials. The resulting unauthorized accounts grant access to any application functionality that believes the account is legitimate, potentially compromising confidentiality and integrity of data associated with that session.", "risk_and_exploitability": "The CVSS score is 6.9, indicating moderate severity, and the EPSS is below 1%, suggesting low current exploitation probability. The vulnerability is not in the CISA Known Exploited Vulnerabilities catalog. Exploitation requires only a crafted request to the signup API; no authentication or privileged access is needed. The likely attack vector is a client\u2011direct request to the user sign\u2011up endpoint with an empty authData payload."}}}}, "created": "2026-03-19T08:55:16.122725+00:00", "updated": "2026-03-25T11:51:58.955439+00:00", "vendors": ["parse_community", "parse_community$PRODUCT$parse_server"]}