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XML Entity Expansion

🗓️ 07 Apr 2026 13:08:04Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode🔗 sca.analysiscenter.veracode.com👁 3 Views

XML Entity Expansion in fast-xml-parser allows excessive entity references, leading to high memory and processor usage.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
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–ibm
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27 Apr 202616:13
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IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to node module fast-xml-parser
22 May 202608:32
–ibm
ATTACKERKB		CVE-2026-33036
20 Mar 202605:17
–attackerkb
Chainguard		CVE-2026-33036 vulnerabilities
19 Mar 202601:17
–cgr
Circl		CVE-2026-33036
16 Mar 202613:02
–circl
Rows per page
Vulners
Node
naturalintelligencefast-xml-parserRange5.0.0–5.5.5js
OR
naturalintelligencefast-xml-parserRange4.0.0-beta.3–4.5.4js

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30 May 2026 05:27Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00027
SSVC
XML entity expansionfast-xml-parsermemory consumptionprocessor usagedenial of service
3