What is CVE-2026-22868?

CVE-2026-22868 is a high-severity vulnerability in Ethereum Go-Ethereum, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-01-13.

How severe is CVE-2026-22868?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Ethereum Go-Ethereum

CVE-2026-22868

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-01-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Ethereum Go-Ethereum — versions < 1.16.8
Ethereum Go

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

github.com/ethereum/go-ethereum/security/advisories/GHSA-mq3p-rrmp-79jg (Third Party Advisory)
github.com/ethereum/go-ethereum/commit/abeb78c647e354ed922726a1d719ac7bc64a07e2 (Patch)

Frequently asked questions

What is CVE-2026-22868?: CVE-2026-22868 is a high-severity vulnerability in Ethereum Go-Ethereum, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-01-13.
How severe is CVE-2026-22868?: High severity. CVSS v3 base score is 7.5 out of 10.