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XML Entity Expansion

🗓️ 17 Feb 2026 21:30:10Reported by Snyk Security DatabaseType 
snyk
 snyk🔗 security.snyk.io👁 3 Views

Vulnerability in fast-xml-parser XML entity expansion via DOCTYPE may cause DoS; disable processEntities.

Related
Detection
Refs
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24 Mar 202621:49
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ATTACKERKB		CVE-2026-33036
20 Mar 202605:17
–attackerkb
ATTACKERKB		CVE-2026-26278
19 Feb 202619:40
–attackerkb
Chainguard		CVE-2026-26278 vulnerabilities
19 Feb 202613:17
–cgr
Circl		CVE-2026-26278
14 Feb 202606:07
–circl
CNNVD		fast-xml-parser 安全漏洞
19 Feb 202600:00
–cnnvd
Rows per page
Vulners
Node
naturalintelligencefast-xml-parserRange4.1.3–4.5.4
OR
naturalintelligencefast-xml-parserRange5.0.0–5.3.6

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13 Mar 2026 20:15Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
CVSS 48.7
EPSS0.00811
SSVC
fast-xml-parserentity expansiondoctypedenial of serviceprocess entitiesresource exhaustion
3