CVE-2026-26314

HIGH

go-ethereum <1.16.9 - DoS

Title source: llm
STIX 2.1

Description

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, a vulnerable node can be forced to shutdown/crash using a specially crafted message. The problem is resolved in the v1.16.9 and v1.17.0 releases of Geth.

Scores

CVSS v3 7.5
EPSS 0.0006
EPSS Percentile 17.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (2)
ethereum/go-ethereum 0 - 1.16.9Go
ethereum/go_ethereum < 1.16.9
Published Feb 19, 2026
Tracked Since Feb 20, 2026