High 8.7Published Feb 19, 2026

CVE-2026-26314Go Ethereum affected by DoS via malicious p2p message

Updated under an hour ago (Oct 26, 2026, 1:50 PM ET)

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It affects ethereum go-ethereum. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for ethereum go-ethereum

Exploited in the last 30 days

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, a vulnerable node can be forced to shutdown/crash using a specially crafted message. The problem is resolved in the v1.16.9 and v1.17.0 releases of Geth.

CVSS: 8.7 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Feb 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ethereum go-ethereum ethereum:go_ethereum (from the name)	before 1.16.9	CNA record
ethereum go_ethereum ethereum:go_ethereum	before 1.16.9	NVD

References

References

https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r	x-refsource-confirm, vendor-advisory
https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60	x-refsource-misc, patch
https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9	x-refsource-misc, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.