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Vulnerabilities

Vulnerability · CVE-2026-26313

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

Published Feb 19, 2026 · catalog updated Feb 20, 2026 · go-ethereum (geth) is a

Last checked Nov 14, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-26313. EPSS is 0.66%. Act only if a listed version of go-ethereum (geth) is a is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (go-ethereum (geth) is a).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.66%
Remediation
Version ranges on file
Affected products
vendor ethereum go-ethereum < 1.17.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor ethereum go-ethereum < 1.17.0< 1.17.0

How to fix CVE-2026-26313

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-26313. EPSS is 0.66%. Act only if a listed version of go-ethereum (geth) is a is installed.

Which versions are affected?

Compare what you have installed with ethereum go-ethereum < 1.17.0 < 1.17.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.66%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 19, 2026 · EUVD

    Detected

    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.

  2. Feb 20, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-26313

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-26313

    30-day exploitation probability 0.66%

    first.org
  • EUVDVulnerability recordEUVD-2026-8397

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 14, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 14, 2026
  • CVE.orgNov 9, 2026
  • EUVDNov 9, 2026