Prototype Pollution in Salesforce Tough-cookie

CVE-2023-26136

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…

Vulnerability class: Prototype Pollution

EPSS: 0.021 (79.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-26136?
CVE-2023-26136 is a medium-severity vulnerability in Salesforce Tough-cookie, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 6.5/10. Published 2023-07-01.
How severe is CVE-2023-26136?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-26136 known to be exploited?
20 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.