GHSA-hx4x-jq2f-pwr6CriticalCVSS 9.8
pypdftk through 0.5 contains an OS command injection vulnerability in fill_form(),...
🔗 CVE IDs covered (1)
📋 Description
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.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-110636
- https://github.com/revolunet/pypdftk/issues/56
- https://github.com/revolunet/pypdftk/pull/57
- https://github.com/revolunet/pypdftk
- https://github.com/revolunet/pypdftk/blob/1d3b40c3b42fb3cc6b0192d34aba2c21a1efd369/pypdftk.py#L87-L123
- https://www.vulncheck.com/advisories/pypdftk-through-0.5-os-command-injection-via-pdf-and-output-paths
- https://github.com/advisories/GHSA-hx4x-jq2f-pwr6