{"cve":"CVE-2023-26136","nvd":{"published":"2023-07-01T05:15:16.103","modified":"2026-06-17T05:42:45.487","status":"Modified","description":"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.","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":["CWE-1321"],"references":["https://github.com/salesforce/tough-cookie/commit/12d474791bb856004e858fdb1c47b7608d09cf6e","https://github.com/salesforce/tough-cookie/issues/282","https://github.com/salesforce/tough-cookie/releases/tag/v4.1.3","https://lists.debian.org/debian-lts-announce/2023/07/msg00010.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2/"],"products":["salesforce:tough-cookie"],"source":"nvd","synced_at":"2026-10-19T21:38:30.124994567+00:00"},"epss":{"cve":"CVE-2023-26136","score":0.02627,"percentile":0.85495,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-72xf-g2v4-qvf3","url":"https://osv.dev/vulnerability/GHSA-72xf-g2v4-qvf3","summary":"tough-cookie Prototype Pollution vulnerability","modified":"2026-09-10T03:49:54.440029030Z","packages":[{"ecosystem":"npm","name":"tough-cookie","purl":"pkg:npm/tough-cookie","ranges":["<4.1.3"],"fixed":["4.1.3"]}]}],"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."]}