Lucene search
+L

CVE-2026-56817 Netty: XML External Entity (XXE) injection via unconfigured XML factory when DTD and entity processing are enabled

🗓️ 21 Jul 2026 22:06:56Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

Netty XXE risk from an unconfigured XML factory with DTD; fixed in the 4.1.136 and 4.2.16 releases.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-56817
22 Jul 202602:10
circl
CVE
CVE-2026-56817
21 Jul 202622:06
cve
EUVD
EUVD-2026-47579
21 Jul 202622:06
euvd
NVD
CVE-2026-56817
21 Jul 202623:17
nvd
OSV
CVE-2026-56817 Netty: XML External Entity (XXE) injection via unconfigured XML factory when DTD and entity processing are enabled
21 Jul 202622:06
osv
Positive Technologies
PT-2026-63257
21 Jul 202600:00
ptsecurity
[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": ">= 4.2.0.Final, < 4.2.16.Final",
        "status": "affected"
      },
      {
        "version": ">= 4.1.0.Final, < 4.1.136.Final",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation