cve.bz

CVE-2026-26314

8.7 highEPSS 0.7%

High (8.7) in ethereum go ethereum. EPSS 0.7% chance of exploitation in the next 30 days. Fixed in github.com/ethereum/go-ethereum 1.16.9.

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.

Severity

CVSS 4.0

8.7 high
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

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE
CWE-20
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-2gjw-fg97-vg3rGogithub.com/ethereum/go-ethereum<1.16.91.16.9
GO-2026-4507Gogithub.com/ethereum/go-ethereum<1.16.91.16.9

References

Check your stackJSON