jsPDF is a library to generate PDFs in JavaScript. Prior to 4.1.0, the addJS method in the jspdf Node.js build utilizes a shared module-scoped variable (text) to store JavaScript content. When used in a concurrent environment (e.g., a Node.js web server), this variable is shared across all requests. If multiple requests generate PDFs simultaneously, the JavaScript content intended for one user may be overwritten by a subsequent request before the document is generated. This results in Cross-User Data Leakage, where the PDF generated for User A contains the JavaScript payload (and any embedded sensitive data) intended for User B. Typically, this only affects server-side environments, although the same race conditions might occur if jsPDF runs client-side. The vulnerability has been fixed in jsPDF@4.1.0.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-cjw8-79x6-5cj4 jsPDF has Shared State Race Condition in addJS Plugin
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 04 Feb 2026 12:30:00 +0000

Type Values Removed Values Added
First Time appeared Parall
Parall jspdf
Vendors & Products Parall
Parall jspdf

Wed, 04 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-820
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N'}

threat_severity

Moderate


Tue, 03 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 02 Feb 2026 23:15:00 +0000

Type Values Removed Values Added
Description jsPDF is a library to generate PDFs in JavaScript. Prior to 4.1.0, the addJS method in the jspdf Node.js build utilizes a shared module-scoped variable (text) to store JavaScript content. When used in a concurrent environment (e.g., a Node.js web server), this variable is shared across all requests. If multiple requests generate PDFs simultaneously, the JavaScript content intended for one user may be overwritten by a subsequent request before the document is generated. This results in Cross-User Data Leakage, where the PDF generated for User A contains the JavaScript payload (and any embedded sensitive data) intended for User B. Typically, this only affects server-side environments, although the same race conditions might occur if jsPDF runs client-side. The vulnerability has been fixed in jsPDF@4.1.0.
Title jsPDF has a Shared State Race Condition in addJS Plugin
Weaknesses CWE-362
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-03T15:30:05.465Z

Reserved: 2026-01-20T22:30:11.777Z

Link: CVE-2026-24040

cve-icon Vulnrichment

Updated: 2026-02-03T15:29:57.853Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-02T23:16:07.660

Modified: 2026-02-03T16:44:03.343

Link: CVE-2026-24040

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-02-02T20:38:24Z

Links: CVE-2026-24040 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-02-04T12:17:31Z

Weaknesses