PatchTheCVEfast-xml-parser vulnerabilities and fixes
Recent CVEs affecting fast-xml-parser, with upgrade or downgrade steps. 1 tracked.
Also searched as: fast xml parser.
fast-xml-parser has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-05-07. Highest priority: CVE-2026-41650 (score 30/100).
- CVE-2026-41650 MEDIUM 6.1 UPGRADE fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks
FAQ
How do I fix fast-xml-parser vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is fast-xml-parser being exploited right now?
None of the tracked fast-xml-parser CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which fast-xml-parser CVE should I patch first?
CVE-2026-41650 currently ranks highest (30/100): fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks.