Go/github.com/fleetdm/fleet/v4 CVE-2026-26191: critical 9.8, EPSS 0.77%
Fleet vulnerable to OS command injection in software packages
Action: Upgrade github.com/fleetdm/fleet/v4 to 4.81.1 or later.
go get github.com/fleetdm/fleet/v4@v4.81.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.81.1 | - |
Fixed versions
| 4.81.1 |
Sources
- osv: GHSA-9vcr-g537-3w5v
- nvd: CVE-2026-26191
- https://github.com/fleetdm/fleet/security/advisories/GHSA-9vcr-g537-3w5v
- https://github.com/fleetdm/fleet
- https://github.com/fleetdm/fleet/releases/tag/fleet-v4.81.1
CVE-2026-26191 · published · modified · JSON