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.
Published: 2026-10-14
Score: 9.3 Critical
EPSS: 2.3% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 20 Oct 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 19 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Revolunet
Revolunet pypdftk
Vendors & Products Revolunet
Revolunet pypdftk

Wed, 14 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title pypdftk through 0.5 OS Command Injection via PDF and Output Paths
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T01:21:31.597Z

Reserved: 2026-10-14T13:07:32.089Z

Link: CVE-2026-110636

cve-icon Vulnrichment

Updated: 2026-10-20T01:21:24.046Z

cve-icon NVD

Status : Deferred

Published: 2026-10-14T15:17:16.710

Modified: 2026-10-20T02:17:09.833

Link: CVE-2026-110636

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T13:08:32Z

Weaknesses
  • CWE-78

    Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')