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CVE-2026-33036 fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)

🗓️ 20 Mar 2026 05:17:03Reported by GoogleType 
osv
 osv🔗 osv.dev

CVE-2026-33036 bypasses entity expansion limits in fast-xml-parser, enabling DoS via entity references.

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26 Jun 2026 08:29Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00576
entity expansion bypassnumeric entitiesstandard entitiesdenial of servicefast xml parservulnerable versions
0