XML Injection Affecting fast-xml-builder package, versions >=1.1.5 <1.1.6
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Test your applications- Snyk IDSNYK-JS-FASTXMLBUILDER-16540557
- published8 May 2026
- disclosed8 May 2026
- creditUnknown
Introduced: 8 May 2026
NewCVE-2026-44664 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade fast-xml-builder to version 1.1.6 or higher.
Overview
Affected versions of this package are vulnerable to XML Injection due to the incomplete sanitization of XML comments. An attacker can inject arbitrary XML or HTML content by including three consecutive dashes in the comment value.
Note:
This issue was introduced by the fix for CVE-2026-41650.