CVE-2026-93687braces through 3.0.3 Stack Overflow via Deeply Nested Patterns
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-674
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
micromatch braces micromatch:braces (from the name) | through 3.0.3 | CNA record |
References
- https://github.com/micromatch/braces/issues/70issue-tracking
- https://github.com/micromatch/bracesproduct
- https://github.com/micromatch/braces/blob/3.0.3/lib/compile.js#L49-L53technical-description
- https://github.com/micromatch/braces/blob/3.0.3/lib/expand.js#L102-L105technical-description
- https://github.com/micromatch/braces/blob/3.0.3/lib/parse.js#L38-L40technical-description
- https://www.vulncheck.com/advisories/braces-through-3.0.3-stack-overflow-via-deeply-nested-patternsthird-party-advisory
- https://github.com/micromatch/braces/issues/73#issuecomment-5996574974
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.