CVE-2025-26240

Published: Jun 17, 2026Modified: Jun 22, 2026Deferred

8.4

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.5 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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.

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (3)

https://habuon.github.io/2025/03/12/pdfkit-vulnerability-%28CVE-2025-26240%29.html

Source: cve@mitre.org

https://www.csirt.gov.sk/the-python-pdfkit-library-vulnerability.html

Source: cve@mitre.org

https://habuon.github.io/2025/03/12/pdfkit-vulnerability-%28CVE-2025-26240%29.html

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

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