CVE-2026-13149

npm/brace-expansion CVE-2026-13149: medium 5.3, EPSS 0.36%

brace-expansion: DoS via exponential-time expansion of consecutive non-expanding {} groups

Action: Upgrade brace-expansion to 1.1.16 or later.

npm i brace-expansion@5.0.7

npm i brace-expansion@1.1.16

npm i brace-expansion@2.1.2

Affected

Fixed versions

Sources

• osv: GHSA-3jxr-9vmj-r5cp
• https://github.com/juliangruber/brace-expansion/security/advisories/GHSA-3jxr-9vmj-r5cp
• https://nvd.nist.gov/vuln/detail/CVE-2026-13149
• https://github.com/juliangruber/brace-expansion/pull/122
• https://github.com/juliangruber/brace-expansion/pull/123
• https://github.com/juliangruber/brace-expansion/commit/835d6be91201122d9adffb0c0c8c094189ace265
• https://github.com/juliangruber/brace-expansion/commit/c7e33ec13ac1a684c116720843ce24e208611754
• https://github.com/juliangruber/brace-expansion/commit/d74e63030c012e3b7ae81657b8d665619cd51b95
• https://github.com/juliangruber/brace-expansion
• https://github.com/juliangruber/brace-expansion/releases/tag/v1.1.16
• https://github.com/juliangruber/brace-expansion/releases/tag/v2.1.2
• https://github.com/juliangruber/brace-expansion/releases/tag/v5.0.7
• https://www.npmjs.com/package/brace-expansion

CVE-2026-13149 · published 2026-07-20T20:51:09Z · modified 2026-09-10T03:51:10.092354944Z · JSON