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Back to active CVEs
High · CVSS 8.5CVE-2026-106057

patool before 4.0.6 OS Command Injection on Windows via shell_quote_ntCVE-2026-106057

Answer in brief

CVE-2026-106057 records a High severity (CVSS 8.5) vulnerability in patool before 4.0.6 OS Command Injection on Windows via shell_quote_nt. The current sources do not mark it as known exploited. The current feed maps wummel/patool (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 7, 2026Updated Oct 7, 2026Source checked Oct 8, 2026First seen by HOL Oct 7, 2026Material review Oct 7, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps wummel/patool (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
wummel/patoolgeneric>=0 <4.0.64.0.6

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for wummel/patool.
  2. 2Review the reported fix. Update wummel/patool to 4.0.6 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 7, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

patool before 4.0.6 contains an OS command injection vulnerability on Windows because shell_quote_nt fails to escape cmd.exe metacharacters or embedded double quotes in archive filenames. Attackers can supply crafted filenames like report&calc.gz for single-file formats run with shell=True to execute commands with patool process privileges.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • mk-oracle: Local privilege escalation via malicious Oracle Instant ClientSame generic ecosystem
  • ImageMagick before 7.1.2-31 Heap Buffer Overflow via GetVirtualPixels APISame generic ecosystem
  • ImageMagick before 7.1.2-31 Denial of Service via MVG DecoderSame generic ecosystem
  • ImageMagick before 7.1.2-31 Unclosed File Pointer via Magick ScriptSame generic ecosystem
  • ImageMagick before 7.1.2-31 Heap Buffer Overflow in Distributed Pixel Cache ServerSame generic ecosystem
  • ImageMagick before 7.1.2-31 Denial of Service via XMP Profile ParsingSame generic ecosystem

Record context

Vulnerability class
Command Injection
EPSS
Not reported
CWE IDs
CWE-78
Source
CVE List V5
Source checked
Oct 8, 2026
References
4 linked sources
Open source record