🛡️ CVE-2026-22862 — go-ethereum

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-20 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

go-ethereum is vulnerable to DoS via malicious p2p message affecting a vulnerable node

Impact

A vulnerable node can be forced to shutdown/crash using a specially crafted message.

More details to be released later.

Credit

This issue was reported to the Ethereum Foundation Bug Bounty Program by DELENE TCHIO ROMUALD.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-22862 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2026-22862 is recorded against 2 packages.

  • github.com/ethereum/go-ethereum
  • go-ethereum (fixed in 1.16.8)

Timeline and source

Published on 13 January 2026 and last revised on 3 March 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2026-01-13
Updated 2026-08-12
Modified 2026-03-03

Affected Packages

Software From version Fixed in
github.com/ethereum/go-ethereum — —
go-ethereum — 1.16.8

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