CVE-2026-26314

Name: CVE-2026-26314
Creator: NVD / NIST
Published: 2026-02-19T22:16:46.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2026-26314 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

8.7/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.58%

43.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Ethereum	Go Ethereum	< 1.16.9

References

Timeline

Published: Feb 19, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-26314?

How severe is CVE-2026-26314?

CVE-2026-26314 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2026-26314?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26314?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST