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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_cve
 osv_cve🔗 osv.dev👁 17 Views

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

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12 Aug 2026 03:51Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.01082
entity expansion bypassnumeric entitiesstandard entitiesdenial of servicefast xml parservulnerable versions
17