CVE-2023-26136

Aliases:GHSA-72xf-g2v4-qvf3
Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 01 Jul 2023, 05:00
Last modified:27 Aug 2025, 20:32

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
6.25% LOW
6% probability -0.62%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

01 Jul 2023, 05:00
Published
Vulnerability first disclosed
27 Aug 2025, 20:32
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P
  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Trends

Current EPSS score: 6.25%• Percentile: 91%

Techniques & Countermeasures

  • CWE-1321•Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

    The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Affected Systems

  • Npm•tough-cookie

    < 4.1.3

  • salesforce•tough-cookie

    < 4.1.3

References (13)