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Vulnerability · Published Mar 18, 2026 · Assigned by GitHub_M

CVE-2026-31898jsPDF has a PDF Object Injection via FreeText color

High 8.1

In plain English

A high-severity code injection in jsPDF from parallax. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 68.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

jsPDF is a library to generate PDFs in JavaScript. Prior to version 4.2.1, user control of arguments of the `createAnnotation` method allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to the following method, a user can inject arbitrary PDF objects, such as JavaScript actions, which might trigger when the PDF is opened or interacted with the `createAnnotation`: `color` parameter. The vulnerability has been fixed in jsPDF@4.2.1. As a workaround, sanitize user input before passing it to the vulnerable API members.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmjspdf4.2.1GHSA-7x6v-j9x4-qf24

Affected products (as reported)

VendorProductVersions
parallax jsPDF < 4.2.1

Weakness: CWE-116, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References