CVE-2026-26314

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/19/2026

Last Modified2/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

ethereum:go_ethereum

Weaknesses (CWE)

CWE-20

References

https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60(security-advisories@github.com)

https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9(security-advisories@github.com)

https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r(security-advisories@github.com)

IOC Correlations

No correlations recorded

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