CVE-2025-26240CWE-120

CVE-2025-26240

High · published June 17, 2026

CVSS v3.1
8.4
EPSS
0%
Percentile
32.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00392 · 32.2th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-06-17T21:16Z
References (3)
https://habuon.github.io/2025/03/12/pdfkit-vulnerability-%28CVE-2025-26240%29.html · [email protected]https://www.csirt.gov.sk/the-python-pdfkit-library-vulnerability.html · [email protected]https://habuon.github.io/2025/03/12/pdfkit-vulnerability-%28CVE-2025-26240%29.html · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 17 JUN 00:00Z
    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…
    cvelistv5