fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. May 7, 2026 · NIST NVD

   Detected

   fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Prior to version 5.7.0, XMLBuilder does not escape the "-->" sequence in comment content or the "]]>" sequence in CDATA sections when building XML from JavaScript objects. This allows XML injection when user-controlled data flows into comments or CDATA elements, leading to XSS, SOAP injection, or

2. Jun 17, 2026 · NIST NVD

   Updated

   fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Prior to version 5.7.0, XMLBuilder does not escape the "-->" sequence in comment content or the "]]>" sequence in CDATA sections when building XML from JavaScript objects. This allows XML injection when user-controlled data flows into comments or CDATA elements, leading to XSS, SOAP injection, or

Affected

• cpe naturalintelligence/fast-xml-parserversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-41650

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-41650

  fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Prior to version 5.7.0, XMLBuilder does not escape the "-->" sequence in comment content or the "]]>" sequence in CDATA sections when building XML from JavaScript objects. This

  nvd.nist.gov

References

• Product · github.com
• Exploit · github.com