CVE-2026-26314

high

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.

References

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

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

https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60

Details

Source: Mitre, NVD

Published: 2026-02-19

Updated: 2026-02-19

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: 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

Severity: High