CVE-2026-27904Regex Denial of Service in Minimatch

Severity
7.5HIGHNVD
EPSS
0.0%
top 93.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 26

Description

minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.4, nested `*()` extglobs produce regexps with nested unbounded quantifiers (e.g. `(?:(?:a|b)*)*`), which exhibit catastrophic backtracking in V8. With a 12-byte pattern `*(*(*(a|b)))` and an 18-byte non-matching input, `minimatch()` stalls for over 7 seconds. Adding a single nesting level or a few input characters pushe

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

CVEListV5isaacs/minimatch< 3.1.4+7
debiandebian/node-minimatch< node-minimatch 9.0.7-1 (sid)
NVDminimatch_project/minimatch4.0.04.2.5+7
npmminimatch_project/minimatch10.0.010.2.3+7

🔴Vulnerability Details

3
GHSA
minimatch ReDoS: nested *() extglobs generate catastrophically backtracking regular expressions2026-02-26
OSV
CVE-2026-27904: minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects2026-02-26
OSV
minimatch ReDoS: nested *() extglobs generate catastrophically backtracking regular expressions2026-02-26

📋Vendor Advisories

2
Red Hat
minimatch: Minimatch: Denial of Service via catastrophic backtracking in glob expressions2026-02-26
Debian
CVE-2026-27904: node-minimatch - minimatch is a minimal matching utility for converting glob expressions into Jav...2026

🕵️Threat Intelligence

1
Wiz
CVE-2026-27904 Impact, Exploitability, and Mitigation Steps | Wiz

💬Community

1
Bugzilla
CVE-2026-27904 minimatch: Minimatch: Denial of Service via catastrophic backtracking in glob expressions2026-02-26
CVE-2026-27904 — Regex Denial of Service in Minimatch | cvebase