What is CVE-2026-47691?

CVE-2026-47691 is a high-severity vulnerability, classified under Insufficient Verification of Data Authenticity. CVSS score: 8.7/10. Published 2026-06-12.

How severe is CVE-2026-47691?

High severity. CVSS v3 base score is 8.7 out of 10.

CVE-2026-47691

CVE-2026-47691

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's `DnsResolveContext` insufficiently validates the bailiwick of NS records, enabling DNS Cach…

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

security-advisories@github.com
security-advisories@github.com
security-advisories@github.com

Frequently asked questions

What is CVE-2026-47691?: CVE-2026-47691 is a high-severity vulnerability, classified under Insufficient Verification of Data Authenticity. CVSS score: 8.7/10. Published 2026-06-12.
How severe is CVE-2026-47691?: High severity. CVSS v3 base score is 8.7 out of 10.