Lucene search
+L

CVE-2026-76816 Netty: MQTT Topic Name and Client ID Validation Bypass

🗓️ 24 Aug 2026 19:53:12Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

Netty MqttEncoder null byte bypass in MQTT UTF-8 fields causing downstream broker mismatches.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-76816
24 Aug 202619:53
–cve
debiancve
Debian CVE
CVE-2026-76816
24 Aug 202619:53
–debiancve
euvd
EUVD
EUVD-2026-65093
24 Aug 202619:53
–euvd
nvd
NVD
CVE-2026-76816
24 Aug 202620:17
–nvd
opensuse
OPENSUSE Linux
netty-4.1.138-1.1 on GA media (moderate)
30 Sep 202600:00
–opensuse
osv
OSV
CLEANSTART-2026-GG40538 jackson-databind's deserializer for java
15 Sep 202601:27
–osv
osv
OSV
CLEANSTART-2026-GV10052 Security fix for CVE-2026-76816 applied in: trino 480-r11
18 Sep 202609:25
–osv
osv
OSV
DEBIAN-CVE-2026-76816
24 Aug 202620:17
–osv
osv
OSV
OPENSUSE-SU-2026:11882-1 netty-4.1.138-1.1 on GA media
24 Sep 202600:00
–osv
osv
OSV
SUSE-SU-2026:4391-1 Security update for netty, netty-tcnative
29 Sep 202611:47
–osv
Rows per page
[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": ">= 4.2.0.Final, < 4.1.137.Final",
        "status": "affected"
      },
      {
        "version": "< 4.1.137.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