{"id":"CVE-2025-66020","revision":"47e7c11b62304c778c361306a2044097","records":[{"revision":"47e7c11b62304c778c361306a2044097","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-66020","aliases":[],"title":"Valibot has a ReDoS vulnerability in `EMOJI_REGEX`","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":"2025-11-26T01:49:38.276+00:00","modifiedAt":"2025-11-26T14:16:54.61+00:00","affected":[{"ecosystem":"Vendor product","name":"valibot","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"open-circle\",\n                    \"product\": \"valibot\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 0.31.0, < 1.2.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","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/security/advisories/GHSA-vqpr-j7v3-hqw9","https://github.com/open-circle/valibot/commit/cfb799db301a953a0950d5c05a34a3ab121262dc"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-66020","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-66020","identifiers":["CVE-2025-66020"]},"retained":false,"historicalAffected":[]}],"coverage":[]}