CVE-2026-26314

moderate-risk

Published 2026-02-19

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.

Do I need to act?

0.07% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (1)

Go Ethereum

Affected Vendors

Ethereum

References (3)

Patch https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c...

Release Notes https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9

Vendor Advisory https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal