Resource exhaustion in go-ethereum - CVE-2026-22868

 

Resource exhaustion in go-ethereum - CVE-2026-22868

Published: January 13, 2026


Vulnerability identifier: #VU121268
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-22868
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Ethereum
Affected software:
go-ethereum

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger high CPU usage my sending a specially crafted p2p message and perform a denial of service (DoS) attack.


How to mitigate CVE-2026-22868

Install updates from vendor's website.

Sources