CVE-2026-112366

Picomatch through 4.0.7 contains a regular expression denial of service vulnerability that allows attackers to block the event loop by supplying single-branch repeated extglob patterns. Attackers can provide globs like +(*) or +(*a), which analyzeRepeatedExtglob in lib/parse.js skips, causing exponential backtracking against short crafted strings and denying service to Node.js applications.

Score
CVSS 4.0 8.7 High
Status
Awaiting Analysis - disclosure@vulncheck.com
Published
2026-10-19
Last modified
2026-10-19
Weaknesses
CWE-1333

Affected products

References