CVE-2025-66020

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{"affected": [{"affectedData": [{"product": "valibot", "vendor": "open-circle", "versions": [{"status": "affected", "version": ">= 0.31.0, < 1.2.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Valibot helps validate data using a schema. In versions from 0.31.0 to 1.1.0, the EMOJI_REGEX used in the emoji action is vulnerable to a Regular Expression Denial of Service (ReDoS) attack. A short, maliciously crafted string (e.g., <100 characters) can cause the regex engine to consume excessive CPU time (minutes), leading to a Denial of Service (DoS) for the application. This issue has been patched in version 1.2.0."}, {"lang": "es", "value": "Valibot ayuda a validar datos usando un esquema. En las versiones de 0.31.0 a 1.1.0, la EMOJI_REGEX utilizada en la acci\u00f3n de emoji es vulnerable a un ataque de Denegaci\u00f3n de Servicio por Expresiones Regulares (ReDoS). Una cadena corta y maliciosamente elaborada (por ejemplo, anterior a 100 caracteres) puede hacer que el motor de expresiones regulares consuma un tiempo excesivo de CPU (minutos), lo que lleva a una Denegaci\u00f3n de Servicio (DoS) para la aplicaci\u00f3n. Este problema ha sido parcheado en la versi\u00f3n 1.2.0."}], "id": "CVE-2025-66020", "lastModified": "2026-10-23T22:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66020", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-11-26T14:15:40.424558Z", "version": "2.0.3"}}]}, "published": "2025-11-26T02:15:49.540", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/open-circle/valibot/commit/cfb799db301a953a0950d5c05a34a3ab121262dc"}, {"source": "security-advisories@github.com", "url": "https://github.com/open-circle/valibot/security/advisories/GHSA-vqpr-j7v3-hqw9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-11-28T08:51:39.397051+00:00", "updated": "2025-11-28T08:51:39.397096+00:00", "vendors": ["open-circle", "open-circle$PRODUCT$valibot"]}