High

braces vulnerable to stack-exhaustion denial of service through deeply nested patterns

  • Disclosed: 18.09.2026
  • Updated: 11.10.2026 10:22

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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PlatformPackageVulnerable versionsFixed in
npm package braces <= 3.0.3 no fix

References

CVSS score 7.5/10
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

  1. 2022: 1
  2. 2023: 0
  3. 2024: 1
  4. 2025: 0
  5. 2026: 1
  1. braces vulnerable to stack-exhaustion denial of service through deeply nested patterns this entry
    High · 7.5 CVE-2026-93687 <= 3.0.3 no fix
  2. High · 7.5 CVE-2024-4068 < 3.0.3 3.0.3
  3. Low CVE-2018-1109 >= 2.2.0, < 2.3.1 2.3.1

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