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.
CVE ID: CVE-2023-26136
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.5
Vendor: n/a
Product: tough-cookie
EPSS Score: 0.49% (probability of being exploited)
EPSS Percentile: 76.15% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)