CVE-2023-26136

CRITICAL

Published Jul 1, 20233y ago · Modified Jun 17, 20261w ago

9.8 CVSS 3.1

Critical

Published Jul 1, 2023 3y ago

Last Modified Jun 17, 2026 1w ago

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 Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status

Public Exploit Known

Patch Available

Weaknesses 1

CWE-1321

Affected Products 1

Vendor	Product	Version	Range
salesforce	tough-cookie	*	<4.1.3

References 8

github.com https://github.com/salesforce/tough-cookie/commit/12d474791bb856004e858fdb1c47b7608d09cf6e

Patch
github.com https://github.com/salesforce/tough-cookie/issues/282

ExploitIssue TrackingVendor Advisory
github.com https://github.com/salesforce/tough-cookie/releases/tag/v4.1.3

Release Notes
lists.debian.org https://lists.debian.org/debian-lts-announce/2023/07/msg00010.html
lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2/
lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ/
security.netapp.com https://security.netapp.com/advisory/ntap-20240621-0006/
security.snyk.io https://security.snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873

ExploitTechnical DescriptionThird Party Advisory

Remediation

github.com https://github.com/salesforce/tough-cookie/commit/12d474791bb856004e858fdb1c47b7608d09cf6e

Patch