---
id: CVE-2025-26240
title: >-
  In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution
  of JavaScript code within the context of the server application and the
  exfiltration of local files.
summary: >-
  In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution
  of JavaScript code within the context of the server application and the
  exfiltration of local files.
severity: high
cvss: 8.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-120
  - CWE-22
vendor: pdfkit
product: pdfkit
affected:
  - pdfkit <= 1.0.0
published: '2026-06-17'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T22:10:00.247'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-26240'
references:
  - url: >-
      https://habuon.github.io/2025/03/12/pdfkit-vulnerability-%28CVE-2025-26240%29.html
    label: cve@mitre.org
  - url: 'https://www.csirt.gov.sk/the-python-pdfkit-library-vulnerability.html'
    label: cve@mitre.org
  - url: >-
      https://habuon.github.io/2025/03/12/pdfkit-vulnerability-%28CVE-2025-26240%29.html
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-26240'
  - url: 'https://github.com/advisories/GHSA-9g3x-6x24-vf9f'
tags:
  - nvd
  - exploit-available
  - ghsa
  - pip
epss: 0.00392
epssPercentile: 0.33179
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/Habuon/CVE-2025-26240'
  checkedAt: '2026-10-27T16:50:48.365Z'
exploitAvailable: true
ecosystem: pip
ingestedAt: '2026-06-29T14:31:47.201Z'
---

## Overview

In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Package advisory (CVE-2025-26240)

Affected packages:

- `pdfkit <= 1.0.0`

Source: https://github.com/advisories/GHSA-9g3x-6x24-vf9f