CVE-2026-93687
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.7%
52.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-674
Published 2026-09-18 · modified 2026-09-22
Description
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.
References
- 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
- https://github.com/micromatch/braces/issues/70
- https://www.vulncheck.com/advisories/braces-through-3.0.3-stack-overflow-via-deeply-nested-patterns