Resource exhaustion in go-ethereum - CVE-2026-26313
Published: April 27, 2026
Vulnerability identifier: #VU127999
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2026-26313
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the p2p message handling component when processing p2p messages. A remote attacker can send a specially crafted p2p message to cause a denial of service.
Affected software
go-ethereum
How to mitigate CVE-2026-26313
Install security update from vendor's website.
go-ethereum - update to 1.17.0