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CVE-2026-34401 XML Notepad: XML External Entity (XXE) Injection via Unsafe XmlTextReader in XML Diff and Schema Loading

🗓️ 31 Mar 2026 21:05:50Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-34401: XML Notepad XXE via unsafe XmlTextReader in DTD loading; fix in 2.9.0.21.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-34401
31 Mar 202621:05
attackerkb
cnnvd
CNNVD
XmlNotepad 代码问题漏洞
31 Mar 202600:00
cnnvd
cve
CVE
CVE-2026-34401
31 Mar 202621:05
cve
euvd
EUVD
EUVD-2026-17666
31 Mar 202621:05
euvd
nvd
NVD
CVE-2026-34401
31 Mar 202622:16
nvd
ptsecurity
Positive Technologies
PT-2026-29357
31 Mar 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-34401
1 Apr 202623:00
redhatcve
vulnrichment
Vulnrichment
CVE-2026-34401 XML Notepad: XML External Entity (XXE) Injection via Unsafe XmlTextReader in XML Diff and Schema Loading
31 Mar 202621:05
vulnrichment
[
  {
    "vendor": "microsoft",
    "product": "XmlNotepad",
    "versions": [
      {
        "version": "< 2.9.0.21",
        "status": "affected"
      }
    ]
  }
]

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