braces vulnerable to stack-exhaustion denial of service through deeply nested patterns
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | braces | <= 3.0.3 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-93687
- https://github.com/micromatch/braces/issues/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
- https://www.vulncheck.com/advisories/braces-through-3.0.3-stack-overflow-via-deeply-nested-patterns
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-674- Platform
- npm
- Package
braces- Disclosed
- 18.09.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vfj7-8cjw-p6xm - CC BY 4.0
Vulnerability history: braces
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 01.2022 09.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 2
- Low 1
Disclosures per year
- 2022: 1
- 2023: 0
- 2024: 1
- 2025: 0
- 2026: 1
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