PT-2026-114078 · Revolunet · Pypdftk

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CVE-2026-110636

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Published

2026-10-14

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Updated

2026-10-14

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
pypdftk through 0.5 contains an OS command injection vulnerability in fill form(), dump data fields(), and pdftk cmd util() that builds shell commands from caller-supplied paths. Attackers controlling pdf path or out file can inject shell metacharacters interpreted by subprocess.Popen with shell=True to execute OS commands as the Python process.

Fix

OS Command Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-110636

Affected Products

Pypdftk