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CVE-2026-26315

🔴 HIGH

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 ext...

Published
Feb 19, 2026
Last Modified
Feb 23, 2026
Views
16
Bookmarks
0

Description

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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 `<datadir>/geth/nodekey` before starting Geth.

Affected Products (1)

ethereum - go_ethereum

Version: *

CVSS Scores

CVSS 3.1 7.5
7.5
HIGH
CVSS 2.0 7.5

References

github.com

Additional Information

Source
security-advisories@github.com
State
Analyzed

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