Infinite loop Affecting brace-expansion package, versions <1.1.13>=2.0.0 <2.0.3>=3.0.0 <3.0.2>=4.0.0 <5.0.5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-JS-BRACEEXPANSION-15789759
- published27 Mar 2026
- disclosed26 Mar 2026
- creditSubhash Dasyam
Introduced: 26 Mar 2026
CVE-2026-33750 (opens in a new tab)How to fix?
Upgrade brace-expansion to version 1.1.13, 2.0.3, 3.0.2, 5.0.5 or higher.
Overview
brace-expansion is a Brace expansion as known from sh/bash
Affected versions of this package are vulnerable to Infinite loop through the expand function when processing a brace pattern with a zero step value. An attacker can cause the process to hang and exhaust system memory by supplying specially crafted input, such as {1..2..0}. This can lead to significant resource consumption and denial of service.
Workaround
This vulnerability can be mitigated by sanitizing strings passed to expand to ensure a step value of 0 is not used.