CVE-2026-26315 — Observable Discrepancy in Go-ethereum

CWE-203 — Observable Discrepancy10 documents5 sources
Severity
6.9MEDIUMNVD
EPSS
0.0%
top 92.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Ethereum Go-ethereumGithub.com Ethereum Go-ethereumEthereum GO Ethereum
Timeline
PublishedFeb 19
Latest updateFeb 24

Description

go-ethereum (Geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, through a flaw in the ECIES cryptography implementation, an attacker may be able to extract bits of the p2p node key. The issue is resolved in the v1.16.9 and v1.17.0 releases of Geth. Geth maintainers recommend rotating the node key after applying the upgrade, which can be done by removing the file `/geth/nodekey` before starting Geth.

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected Packages3 packages

▶CVEListV5ethereum/go-ethereum< 1.16.9
▶NVDethereum/go_ethereum< 1.16.9

🔴Vulnerability Details

4
OSV
Go Ethereum Improperly Validates the ECIES Public Key in RLPx Handshake in github.com/ethereum/go-ethereum↗2026-02-24
▶
CVEList
Go Ethereum Improperly Validates the ECIES Public Key in RLPx Handshake↗2026-02-19
▶
GHSA
Go Ethereum Improperly Validates the ECIES Public Key in RLPx Handshake↗2026-02-18
▶
OSV
Go Ethereum Improperly Validates the ECIES Public Key in RLPx Handshake↗2026-02-18
▶

🕵️Threat Intelligence

5
Wiz
CVE-2026-26313 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
Wiz
CVE-2026-26314 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
Wiz
CVE-2026-22862 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
Wiz
CVE-2026-22868 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
Wiz
CVE-2026-26315 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-26315 — Observable Discrepancy in Go-ethereum | cvebase