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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2025-27509

SAML authentication vulnerability due to improper SAML response validation

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

fleetdm fleet

  • >= 4.64.0, < 4.64.2affected
  • >= 4.63.0, < 4.63.2affected
  • >= 4.62.0, < 4.62.4affected
  • < 4.58.1affected

References