Vulnerability Description
fleetdm/fleet is an open source device management, built on osquery. In vulnerable versions of Fleet, an attacker could craft a specially-formed SAML response to forge authentication assertions, provision a new administrative user account if Just-In-Time (JIT) provisioning is enabled, or create new accounts tied to forged assertions if f MDM enrollment is enabled. This vulnerability is fixed in 4.64.2, 4.63.2, 4.62.4, and 4.58.1.
Related Weaknesses (CWE)
References
- https://github.com/fleetdm/fleet/commit/718c95e47ad010ad6b8ceb3f3460e921fbfc53bb
- https://github.com/fleetdm/fleet/security/advisories/GHSA-52jx-g6m5-h735
FAQ
What is CVE-2025-27509?
CVE-2025-27509 is a documented vulnerability. fleetdm/fleet is an open source device management, built on osquery. In vulnerable versions of Fleet, an attacker could craft a specially-formed SAML response to forge authentication assertions, provi...
How severe is CVE-2025-27509?
CVSS scoring is not yet available for CVE-2025-27509. Check NVD for updates.
Is there a patch for CVE-2025-27509?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.