Is brace-expansion affected by CVE-2026-45149?

npm brace-expansion is affected in >=5.0.0 <5.0.6.

Is CVE-2026-45149 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2026-45149

Q: Is CVE-2026-45149 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

npm · brace-expansion

Summary

brace-expansion: Large numeric range defeats documented `max` DoS protection

Severity: medium
EPSS: 0.2% (p10)
Also known as: GHSA-jxxr-4gwj-5jf2
Published: 2026-05-18

References

https://github.com/juliangruber/brace-expansion/security/advisories/GHSA-jxxr-4gwj-5jf2
https://nvd.nist.gov/vuln/detail/CVE-2026-45149
https://github.com/juliangruber/brace-expansion/commit/c0b095bdc52bc4c36dc88deddbadabc49f8371e5

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.