{"id":"CVE-2020-26309","aliases":["EUVD-2024-2920","GHSA-3phv-83cj-p8p7"],"status":"published","title":"GHSL-2020-303: Regular Expression Denial of Service (ReDoS) in nope-validator","description":"Validate.js provides a declarative way of validating javascript objects. Versions 0.11.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00454,"percentile":0.39826,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333"],"published":"2024-10-26T20:26:28Z","modified":"2026-10-20T10:52:59Z","fixes":[{"ecosystem":"npm","package":"nope-validator","fixed_in":["0.12.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"nope-validator","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.1"}]}]},{"source":"osv","ecosystem":"npm","package":"nope-validator","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.12.1"}]}]}],"products":[{"vendor":"ftonato","product":"nope-validator"}],"references":[{"url":"https://securitylab.github.com/advisories/GHSL-2020-303-redos-nope-validator/","tags":["advisory"]},{"url":"https://github.com/ftonato/nope-validator/issues/352","tags":["report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26309","tags":["advisory"]},{"url":"https://securitylab.github.com/advisories/GHSL-2020-303-redos-nope-validator","tags":["advisory"]},{"url":"https://github.com/ftonato/nope-validator/commit/4564b7444dcd92769e5c5b80420469c9f18b7a05#diff-9c399c46fa266bcf2be2704fbb369181726959e148e95ab548a32ef9ca9e7d47R1","tags":["web"]},{"url":"https://github.com/ftonato/nope-validator/commit/c8af9f93abe8f4786f8f69d2b0518f8ca3652f44","tags":["web"]},{"url":"https://github.com/advisories/GHSA-3phv-83cj-p8p7"},{"url":"https://github.com/ftonato/nope-validator","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-26309","title":"GHSL-2020-303: Regular Expression Denial of Service (ReDoS) in nope-validator","description":"Validate.js provides a declarative way of validating javascript objects. Versions 0.11.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.","status":"published","published":"2024-10-26T20:26:28.746Z","modified":"2024-10-28T14:18:10.39Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green","level":"high","assessor":"cna"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2024-2920","description":"Validate.js provides a declarative way of validating javascript objects. Versions 0.11.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.","status":"published","published":"2024-10-26T20:26:28Z","modified":"2024-10-28T14:18:10Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green","level":"high"}],"updated_at":"2026-11-03T00:05:16.619611Z"}],"ghsa":[{"id":"GHSA-3phv-83cj-p8p7","title":"nope-validator Regular Expression Denial of Service vulnerability","description":"Nope is a JavaScript validator. Versions 0.11.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). This vulnerability is fixed in 0.12.1.","status":"published","published":"2024-10-26T21:30:46Z","modified":"2024-10-28T14:56:39Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green","level":"medium"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:38:14.769863Z"}],"nvd":[{"id":"CVE-2020-26309","description":"Validate.js provides a declarative way of validating javascript objects. Versions 0.11.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.","status":"published","published":"2024-10-26T21:15:14.19Z","modified":"2026-06-17T03:08:03.07Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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:Green","level":"high","assessor":"secondary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:06:48.591569Z"}],"osv":[{"id":"CVE-2020-26309","description":"Validate.js provides a declarative way of validating javascript objects. Versions 0.11.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.","status":"published","published":"2024-10-26T21:15:14.19Z","modified":"2026-10-20T10:52:59.86956465Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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:Green","level":"high"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-3phv-83cj-p8p7","title":"nope-validator Regular Expression Denial of Service vulnerability","description":"Nope is a JavaScript validator. Versions 0.11.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). This vulnerability is fixed in 0.12.1.","status":"published","published":"2024-10-26T21:30:46Z","modified":"2024-10-28T15:14:51.880327Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green","level":"medium"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T15:46:36.092962Z"}]}}