CVE-2026-26313

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.17.0, an attacker can cause high memory usage by sending a specially-crafted p2p message. The issue is resolved in the v1.17.0 release.

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/releases/tag/v1.17.0	Release Notes
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

23 Feb 2026, 18:41

Type	Values Removed	Values Added
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/releases/tag/v1.17.0 -~~	() https://github.com/ethereum/go-ethereum/releases/tag/v1.17.0 - Release Notes
References	~~() https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3 -~~	() https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3 - Vendor Advisory

19 Feb 2026, 21:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-19 21:18

Updated : 2026-02-23 18:41

NVD link : CVE-2026-26313

Mitre link : CVE-2026-26313

CVE.ORG link : CVE-2026-26313

JSON object : View

Products Affected

ethereum

go_ethereum

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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