Vulnerability · Published Jan 13, 2026 · Assigned by GitHub_M
CVE-2026-22862go-ethereum has a DoS via malicious p2p message
High 7.1
In plain English
A high-severity improper input validation in go-ethereum from ethereum. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.7%top 45.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/ethereum/go-ethereum | 1.16.8 | GO-2026-4315 |
| Go | github.com/ethereum/go-ethereum | 1.16.8 | GHSA-mr7q-c9w9-wh4h |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ethereum | go-ethereum | < 1.16.8 |
Weakness: CWE-20 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N