CVE-2026-22862 HIGH

CVE-2026-22862: go-ethereum has a DoS via malicious p2p message

Vendor Ethereum
Product go-ethereum
Weakness CWE-20 · Input validation
Published January 13, 2026
Last update January 15, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. A vulnerable node can be forced to shutdown/crash using a specially crafted message. This vulnerability is fixed in 1.16.8.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
January 15, 2026 Record updated