CVE-2026-26314

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60	Patch
https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9	Release Notes
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ethereum:go_ethereum:*:*:*:*:*:*:*:*

History

23 Feb 2026, 18:32

Type	Values Removed	Values Added
Summary		(es) go-ethereum (geth) es una implementación de capa de ejecución de golang del protocolo Ethereum. Antes de la versión 1.16.9, un nodo vulnerable puede ser forzado a apagarse/colapsar usando un mensaje especialmente diseñado. El problema está resuelto en las versiones v1.16.9 y v1.17.0 de Geth.
CPE		cpe:2.3:a:ethereum:go_ethereum::::::::
First Time		Ethereum Ethereum go Ethereum
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~() https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60 -~~	() https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60 - Patch
References	~~() https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9 -~~	() https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9 - Release Notes
References	~~() https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r -~~	() https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r - Vendor Advisory

19 Feb 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-19 22:16

Updated : 2026-02-23 18:32

NVD link : CVE-2026-26314

Mitre link : CVE-2026-26314

CVE.ORG link : CVE-2026-26314

JSON object : View

Products Affected

ethereum

go_ethereum

CWE

CWE-20

Improper Input Validation

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