Is github.com/fleetdm/fleet/v4 affected by CVE-2026-22808?

Go github.com/fleetdm/fleet/v4 is affected in >=4.75.0 =4.76.0 =4.77.0 =4.78.0 <4.78.2.

Is CVE-2026-22808 being exploited?

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

medium

CVE-2026-22808

Q: Is CVE-2026-22808 being exploited?

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

Go · github.com/fleetdm/fleet/v4 • Go · github.com/fleetdm/fleet

Summary

Fleet Windows MDM endpoint has a Cross-site Scripting vulnerability in github.com/fleetdm/fleet

Severity: medium
EPSS: 0.2% (p11)
Also known as: GHSA-gfpw-jgvr-cw4j, GHSA-gfpw-jgvr-cw4j#github.com/fleetdm/fleet, GHSA-gfpw-jgvr-cw4j#github.com/fleetdm/fleet/v4, GO-2026-4336
Published: 2026-02-03

References

Related advisories

CVE-2026-26062 — high · Go/github.com/fleetdm/fleet/v4
CVE-2026-24899 — high · Go/github.com/fleetdm/fleet/v4
CVE-2026-27806 — high · Go/github.com/fleetdm/fleet/v4
CVE-2026-46371 — medium · Go/github.com/fleetdm/fleet/v4
CVE-2026-46370 — medium · Go/github.com/fleetdm/fleet/v4
CVE-2026-23998 — medium · Go/github.com/fleetdm/fleet/v4
CVE-2026-46356 — medium · Go/github.com/fleetdm/fleet/v4
CVE-2026-26191 — medium · Go/github.com/fleetdm/fleet/v4

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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.