CVE-2026-44664
CVE-2026-44664 · fast-xml-builder: Comment Value bypass regex
This page contains facts from public vulnerability sources. Check the original advisory before updating.
fast-xml-builder builds XML from JSON. In 1.1.5, the fix for CVE-2026-41650 in fast-xml-parser sanitizes -- sequences in XML comment content using .replace(/--/g, '- -'). This skip the values containing three consecutive dashes (e.g., --->...), allowing an attacker to break out of an XML comment and inject arbitrary XML/HTML content. This vulnerability is fixed in 1.1.6.
CVSS 6.1 · Medium · EPSS 0.2% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
fast-xml-builder
- Versions
- 1.1.5: Affected
No fix published
fast-xml-builder npm
- Versions
- 1.1.5
- Affected ranges
- SEMVER: ≥ 1.1.5, < 1.1.6
Update to 1.1.6