CVE-2026-93687

high

Description

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.

References

https://github.com/BernydotJar/braces-security-backport

https://www.vulncheck.com/advisories/braces-through-3.0.3-stack-overflow-via-deeply-nested-patterns

https://github.com/micromatch/braces/issues/73#issuecomment-5996574974

https://github.com/micromatch/braces/issues/70

https://github.com/micromatch/braces/blob/3.0.3/lib/parse.js#L38-L40

https://github.com/micromatch/braces/blob/3.0.3/lib/expand.js#L102-L105

https://github.com/micromatch/braces/blob/3.0.3/lib/compile.js#L49-L53

https://github.com/micromatch/braces

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-82983

Details

Source: Mitre, NVD

Published: 2026-09-18

Updated: 2026-10-12

Named Vulnerability: GHSA-vfj7-8cjw-p6xm

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00757