CVE-2026-93687: Micromatch Braces

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

braces through 3.0.3 contains a stack overflow vulnerability in the recursive AST walkers that lack depth guards. Attackers can supply deeply nested brace patterns under the character limit to exhaust the call stack and terminate the Node.js process with an uncaught RangeError.

Affected products

• Micromatch Braces: up to and including 3.0.3

Published 2026-09-18. Last modified 2026-09-22.