CVE-2026-93687 PUBLISHED

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.

• Wayde Shi (PayPal Cyber Security Team)

• GitHub Issue #70
• https://github.com/micromatch/braces
• https://github.com/micromatch/braces/blob/3.0.3/lib/compile.js#L49-L53
• https://github.com/micromatch/braces/blob/3.0.3/lib/expand.js#L102-L105
• https://github.com/micromatch/braces/blob/3.0.3/lib/parse.js#L38-L40
• VulnCheck Advisory: braces through 3.0.3 Stack Overflow via Deeply Nested Patterns

• Uncontrolled Recursion CWE