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CVE-2026-110636

9.3 critical SSVC exploitation: poc Deferred
NVD · CVE.org

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

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → DeferredNVD modified 2026-10-16 19:18
  2. First seenCVSS 9.3NVD modified 2026-10-14 15:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 6