CVE-2026-26313

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

February 18, 2026

Last Modified

February 23, 2026

CWE ID

CWE-770

Source

GitHub

Vendor

Product

github.com/ethereum/go-ethereum

External References

https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3
https://github.com/ethereum/go-ethereum/releases/tag/v1.17.0
https://github.com/advisories/GHSA-689v-6xwf-5jf3

CVE-2026-26313

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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