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chore(deps): update dependency minimatch to v10.2.1 [security]#1175

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renovate/npm-minimatch-vulnerability
Feb 23, 2026
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chore(deps): update dependency minimatch to v10.2.1 [security]#1175
yamadashy merged 1 commit intomainfrom
renovate/npm-minimatch-vulnerability

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@renovate renovate bot commented Feb 23, 2026

This PR contains the following updates:

Package Change Age Confidence
minimatch 10.1.110.2.1 age confidence

GitHub Vulnerability Alerts

CVE-2026-26996

Summary

minimatch is vulnerable to Regular Expression Denial of Service (ReDoS) when a glob pattern contains many consecutive * wildcards followed by a literal character that doesn't appear in the test string. Each * compiles to a separate [^/]*? regex group, and when the match fails, V8's regex engine backtracks exponentially across all possible splits.

The time complexity is O(4^N) where N is the number of * characters. With N=15, a single minimatch() call takes ~2 seconds. With N=34, it hangs effectively forever.

Details

Give all details on the vulnerability. Pointing to the incriminated source code is very helpful for the maintainer.

PoC

When minimatch compiles a glob pattern, each * becomes [^/]*? in the generated regex. For a pattern like ***************X***:

/^(?!\.)[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?[^/]*?X[^/]*?[^/]*?[^/]*?$/

When the test string doesn't contain X, the regex engine must try every possible way to distribute the characters across all the [^/]*? groups before concluding no match exists. With N groups and M characters, this is O(C(N+M, N)) — exponential.

Impact

Any application that passes user-controlled strings to minimatch() as the pattern argument is vulnerable to DoS. This includes:

  • File search/filter UIs that accept glob patterns
  • .gitignore-style filtering with user-defined rules
  • Build tools that accept glob configuration
  • Any API that exposes glob matching to untrusted input

Release Notes

isaacs/minimatch (minimatch)

v10.2.1

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v10.2.0

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v10.1.3

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v10.1.2

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

@renovate renovate bot requested a review from yamadashy as a code owner February 23, 2026 09:57
@renovate renovate bot added dependencies Dependencies updates renovate Renovate labels Feb 23, 2026
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@renovate renovate bot added the dependencies Dependencies updates label Feb 23, 2026
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✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 1 additional finding.

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codecov bot commented Feb 23, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.14%. Comparing base (c5fa59d) to head (2f90ea6).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #1175   +/-   ##
=======================================
  Coverage   87.14%   87.14%           
=======================================
  Files         115      115           
  Lines        4310     4310           
  Branches      998      998           
=======================================
  Hits         3756     3756           
  Misses        554      554           

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@renovate renovate bot force-pushed the renovate/npm-minimatch-vulnerability branch from a547f7a to bf64f1f Compare February 23, 2026 14:13
@renovate renovate bot force-pushed the renovate/npm-minimatch-vulnerability branch from bf64f1f to 2f90ea6 Compare February 23, 2026 14:15
@yamadashy yamadashy merged commit 361dd23 into main Feb 23, 2026
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@yamadashy yamadashy deleted the renovate/npm-minimatch-vulnerability branch February 23, 2026 14:43
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