VulnerabilityAnalyzed

CVE-2026-26313

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol.

MEDIUM 6.9EPSS 0.58%

Does this matter?

Lower severity and a low EPSS score (0.58%). Track it; it rarely justifies an emergency change on its own.

Description

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.17.0, an attacker can cause high memory usage by sending a specially-crafted p2p message. The issue is resolved in the v1.17.0 release.

CVSS 4.0: 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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/M
EPSS: 0.58% probability · 46th percentile
CISA KEV: Not listed
Weakness: CWE-770
Affected: ethereum/go ethereum
Source: security-advisories@github.com

References

https://github.com/ethereum/go-ethereum/releases/tag/v1.17.0Release Notes
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.