CVE-2026-25547

@isaacs/brace-expansion is a hybrid CJS/ESM TypeScript fork of brace-expansion. Prior to version 5.0.1, @isaacs/brace-expansion is vulnerable to a denial of service (DoS) issue caused by unbounded brace range expansion. When an attacker provides a pattern containing repeated numeric brace ranges, the library attempts to eagerly generate every possible combination synchronously. Because the expansion grows exponentially, even a small input can consume excessive CPU and memory and may crash the Node.js process. This issue has been patched in version 5.0.1.

CVSS

No CVSS.

References

Link	Resource
https://github.com/isaacs/brace-expansion/security/advisories/GHSA-7h2j-956f-4vf2

Configurations

No configuration.

History

04 Feb 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-04 22:16

Updated : 2026-02-05 14:57

NVD link : CVE-2026-25547

Mitre link : CVE-2026-25547

CVE.ORG link : CVE-2026-25547

JSON object : View

Products Affected

No product.

CWE

CWE-1333

Inefficient Regular Expression Complexity

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