VULNERABILITY INTELLIGENCE

CVE-2026-41650

CVSS score6.1 MEDIUM

EPSS probability0.24%

CISA KEVNot currently listed

Published2026-05-07

Last modified2026-10-26

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

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.

Weakness classification

security-advisories@github.com: CWE-91

Primary references

security-advisories@github.com — Product, Release Notes
security-advisories@github.com — Exploit, Mitigation, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, Mitigation, Vendor Advisory