{"cve":"CVE-2026-1774","nvd":{"published":"2026-02-10T16:16:10.740","modified":"2026-06-17T10:16:29.800","status":"Deferred","description":"CASL Ability, versions 2.4.0 through 6.7.4, contains a prototype pollution vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://cwe.mitre.org/data/definitions/1321.html","https://developer.mozilla.org/en-US/docs/Web/Security/Attacks/Prototype_pollution","https://github.com/stalniy/casl/tree/master/packages/casl-ability","https://www.kb.cert.org/vuls/id/458422"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2026-1774","score":0.00715,"percentile":0.53756,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-x9vf-53q3-cvx6","url":"https://osv.dev/vulnerability/GHSA-x9vf-53q3-cvx6","summary":"CASL Ability is Vulnerable to Prototype Pollution","modified":"2026-02-11T19:26:17.624339Z","packages":[{"ecosystem":"npm","name":"@casl/ability","purl":"pkg:npm/%40casl/ability","ranges":[">=2.4.0 <6.7.5"],"fixed":["6.7.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}