{"id":"CVE-2025-66020","revision":"a1c2e4cf18a34c8fa15f302f1cada9c6","records":[{"revision":"a1c2e4cf18a34c8fa15f302f1cada9c6","observedAt":"2026-10-25T03:17:36.152+00:00","statement":{"source":"nvd","id":"CVE-2025-66020","aliases":[],"title":"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 c…","description":"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.","state":0,"publishedAt":"2025-11-26T02:15:49.54+00:00","modifiedAt":"2026-10-23T22:10:00.16+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/open-circle/valibot/commit/cfb799db301a953a0950d5c05a34a3ab121262dc","https://github.com/open-circle/valibot/security/advisories/GHSA-vqpr-j7v3-hqw9"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-66020","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-1333"],"productCriteria":[],"sourceDates":{"published":"2025-11-26T02:15:49.540","lastModified":"2026-10-23T22:10:00.160"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-66020","identifiers":["CVE-2025-66020"]},"retained":false,"historicalAffected":[]}],"coverage":[]}