Is github.com/elastic/beats affected by CVE-2026-26933?

Go github.com/elastic/beats is affected in >=0.

Is CVE-2026-26933 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2026-26933

Go · github.com/elastic/beats • Go · github.com/elastic/beats/v7

Summary

Packetbeat does not properly validate an array index in multiple protocol parser components in github.com/elastic/beats

Severity: medium
EPSS: 0.2% (p15)
Also known as: GHSA-27qj-9gvp-8rh9, GO-2026-4789, GO-2026-4789#github.com/elastic/beats, GO-2026-4789#github.com/elastic/beats/v7
Published: 2026-04-07

References

Related advisories

CVE-2026-26931 — medium · Go/github.com/elastic/beats
CVE-2026-0528 — medium · Go/github.com/elastic/beats
CVE-2025-68388 — medium · Go/github.com/elastic/beats
CVE-2025-68383 — medium · Go/github.com/elastic/beats

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.