Denial of Service Vulnerability in go-ethereum by Ethereum Foundation
CVE-2026-22868

7.1HIGH

Key Information:

Vendor

Ethereum

Status
Go-ethereum
Vendor
CVE Published:
13 January 2026

What is CVE-2026-22868?

The go-ethereum implementation faces a denial of service issue, where a malicious actor can exploit the vulnerability by sending specially crafted messages to a vulnerable node, leading to unexpected shutdowns or crashes. It is crucial for users to upgrade to version 1.16.8 or later to mitigate this risk and maintain the integrity and availability of the Ethereum network.

Affected Version(s)

go-ethereum < 1.16.8

References

https://github.com/ethereum/go-ethereum/security/advisori...
x_refsource_CONFIRM
https://github.com/ethereum/go-ethereum/commit/abeb78c647...
x_refsource_MISC

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.