CVE-2026-26314 describes a denial-of-service vulnerability in go-ethereum (geth) versions prior to 1.16.9 and 1.17.0, where a specially crafted message can force a vulnerable node to crash or shut down. This vulnerability carries a CVSS score of 7.5 (High), indicating it can be exploited remotely with low attack complexity and results in a complete loss of availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, including a security update from SUSE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.16.9CPE matchmatch criteria | cpe:2.3:a:ethereum:go_ethereum:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.