CVE-2026-25963: Fleet: Authorization Bypass in certificate template batch deletion for team administrators

February 26, 2026

A broken authorization check in Fleet’s certificate template deletion API could allow a team administrator to delete certificate templates belonging to other teams within the same Fleet instance.

References

github.com/advisories/GHSA-5jvp-m9h4-253h
github.com/fleetdm/fleet
github.com/fleetdm/fleet/commit/d27d0362db390fe835e3b5328525f25018df0fb7
github.com/fleetdm/fleet/security/advisories/GHSA-5jvp-m9h4-253h
nvd.nist.gov/vuln/detail/CVE-2026-25963

Code Behaviors & Features

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