{"id":"CVE-2023-26136","aliases":["GHSA-72xf-g2v4-qvf3"],"url":"https://o3.security/vulnerability/CVE-2023-26136","summary":"tough-cookie Prototype Pollution vulnerability","details":"Versions of the package tough-cookie before 4.1.3 are vulnerable to Prototype Pollution due to improper handling of Cookies when using CookieJar in rejectPublicSuffixes=false mode. This issue arises from the manner in which the objects are initialized.","published":"2023-07-01T05:00:01.115Z","modified":"2026-08-12T03:51:41.313050868Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P"},"epss":{"score":0.02542,"percentile":0.83681,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"npm","name":"tough-cookie","fixedVersion":"4.1.3"}],"fix":{"url":"https://github.com/salesforce/tough-cookie/commit/12d474791bb856004e858fdb1c47b7608d09cf6e","label":"salesforce/tough-cookie@12d4747"},"references":[{"type":"WEB","url":"https://github.com/salesforce/tough-cookie/releases/tag/v4.1.3"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00010.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ/"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26136.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26136"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240621-0006/"},{"type":"REPORT","url":"https://github.com/salesforce/tough-cookie/issues/282"},{"type":"FIX","url":"https://github.com/salesforce/tough-cookie/commit/12d474791bb856004e858fdb1c47b7608d09cf6e"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:41.313050868Z"}}