CVE-2026-41650

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

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 data manipulation. This issue has been patched in version 5.7.0.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-91

Affected software

No affected versions have been published.

Timeline

Published
May 7, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-41650: Medium severity, CVSS 6.1 | Vulnix