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Vulnerabilities

Vulnerability · CVE-2026-27903

minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects.

Published Feb 26, 2026 · catalog updated Jun 17, 2026 · minimatch project

Check if you run it

No confirmed exploitation is on record for CVE-2026-27903. EPSS is 0.61%. Act only if a listed version of minimatch project is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.61%
Remediation
Advisory link
Affected products
cpe minimatch project/minimatch

minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3, performs unbounded recursive backtracking when a glob pattern contains multiple non-adjacent (GLOBSTAR) segments and the input path does not match. The time complexity is O(C(n, k)) -- binomial -- where is the number of path segments and is the number of globstars. With k=11 and n=30, a call to the default API stalls for roughly 5 seconds. With k=13, it exceeds 15 seconds. No memoization or call budget exists to bound this behavior. Any application where an attacker can influence the glob pattern passed to is vulnerable. The realistic attack surface includes build tools and task runners that accept user-supplied glob arguments (ESLint, Webpack, Rollup config), multi-tenant systems where one tenant configures glob-based rules that run in a shared process, admin or developer interfaces that accept ignore-rule or filter configuration as globs, and CI/CD pipelines that evaluate user-submitted config files containing glob patterns. An attacker who can place a crafted pattern into any of these paths can stall the Node.js event loop for tens of seconds per invocation. The pattern is 56 bytes for a 5-second stall and does not require authentication in contexts where pattern input is part of the feature. Versions 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3 fix the issue.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

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  • cpe minimatch project/minimatchversion unspecified

How to fix CVE-2026-27903

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-27903. EPSS is 0.61%. Act only if a listed version of minimatch project is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-407. EPSS 0.61%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 26, 2026 · NIST NVD

    Detected

    minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3, performs unbounded recursive backtracking when a glob pattern contains multiple non-adjacent (GLOBSTAR) segments and the input path does not match. The time complexity is O(C(n, k)) -- binomial -- where is the number o

  2. Jun 17, 2026 · NIST NVD

    Updated

    minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3, performs unbounded recursive backtracking when a glob pattern contains multiple non-adjacent (GLOBSTAR) segments and the input path does not match. The time complexity is O(C(n, k)) -- binomial -- where is the number o

Sources

  • CVE.orgVulnerability recordCVE-2026-27903

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-27903

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-27903

    minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3, performs unbounded recursive backtracking when a glob pattern contains multiple non-a

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.