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CVE-2026-22868

Good to know:

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Date: January 13, 2026

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. A vulnerable node can be forced to shutdown/crash using a specially crafted message. This vulnerability is fixed in 1.16.8.

Severity Score

Related Resources (5)

https://github.com/ethereum/go-ethereum/commit/abeb78c647e354ed922726a1d719ac7bc64a07e2
https://nvd.nist.gov/vuln/detail/CVE-2026-22868
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-mq3p-rrmp-79jg
https://github.com/ethereum/go-ethereum
https://www.mend.io/vulnerability-database/CVE-2026-22868

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Uncontrolled Resource Consumption

CWE-400

Top Fix

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Upgrade Version

Upgrade to version github.com/ethereum/go-ethereum - v1.16.8;https://github.com/ethereum/go-ethereum.git - v1.16.8

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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