CVE-2026-26314 — HIGH (7.5)

Q: How severe is CVE-2026-26314?

CVE-2026-26314 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-26314?

Check the references section above for vendor advisories and patch information. Affected products include: Ethereum Go Ethereum.

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ethereum	Go Ethereum	< 1.16.9

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2026-26314?

CVE-2026-26314 is a vulnerability with a CVSS score of 7.5 (HIGH). 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. Th...

How severe is CVE-2026-26314?

CVE-2026-26314 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-26314?

Check the references section above for vendor advisories and patch information. Affected products include: Ethereum Go Ethereum.