Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to 1.4.1, the forge.http client stored cookie names and paths from Set-Cookie response headers in ordinary JavaScript objects. A malicious server could use the cookie name __proto__ so that the attacker-controlled cookie path was written as a property on Object.prototype, or use inherited names such as constructor to modify Object. An empty cookie value could use the removal path to delete an inherited Object.prototype property. Applications using forge.http directly or through forge.xhr are affected; applications that do not use forge.http are unaffected. This issue is fixed in version 1.4.1.
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Fixes

Solution

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Workaround

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History

Fri, 30 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 29 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Digitalbazaar
Digitalbazaar forge
Vendors & Products Digitalbazaar
Digitalbazaar forge

Thu, 29 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to 1.4.1, the forge.http client stored cookie names and paths from Set-Cookie response headers in ordinary JavaScript objects. A malicious server could use the cookie name __proto__ so that the attacker-controlled cookie path was written as a property on Object.prototype, or use inherited names such as constructor to modify Object. An empty cookie value could use the removal path to delete an inherited Object.prototype property. Applications using forge.http directly or through forge.xhr are affected; applications that do not use forge.http are unaffected. This issue is fixed in version 1.4.1.
Title Forge: Prototype Pollution in forge.http cookie handling via a malicious Set-Cookie
Weaknesses CWE-1321
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-30T17:12:06.088Z

Reserved: 2026-10-28T19:20:05.018Z

Link: CVE-2026-118777

cve-icon Vulnrichment

Updated: 2026-10-30T15:20:37.702Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-29T19:17:20.283

Modified: 2026-10-30T17:17:16.110

Link: CVE-2026-118777

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-29T21:15:15Z

Weaknesses