CVE-2026-110636

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Source
https://cve.org/CVERecord?id=CVE-2026-110636
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110636.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-110636
Published
2026-10-14T14:17:08Z
Modified
2026-10-15T02:47:28Z
Severity
  • 9.3 (Critical) CVSS_V4 - 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 CVSS Calculator
Summary
pypdftk through 0.5 OS Command Injection via PDF and Output Paths
Details

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.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-78"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110636.json"
}
References

Affected packages

Git / github.com/revolunet/pypdftk

Affected ranges

Type
GIT
Repo
https://github.com/revolunet/pypdftk
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
1d3b40c3b42fb3cc6b0192d34aba2c21a1efd369
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "0.5"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

pypdftk-0.*
pypdftk-0.2
v0.*
v0.2
v0.3
v0.4
v0.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110636.json"