id: GO-2025-3505
modules:
    - module: github.com/fleetdm/fleet/v4
      non_go_versions:
        - fixed: 4.53.2
        - introduced: 4.54.0
        - fixed: 4.58.1
        - introduced: 4.62.0
        - fixed: 4.62.4
        - introduced: 4.63.0
        - fixed: 4.63.2
        - introduced: 4.64.0
        - fixed: 4.64.2
summary: |-
    Fleet has SAML authentication vulnerability due to improper SAML response
    validation in github.com/fleetdm/fleet
cves:
    - CVE-2025-27509
ghsas:
    - GHSA-52jx-g6m5-h735
references:
    - advisory: https://github.com/fleetdm/fleet/security/advisories/GHSA-52jx-g6m5-h735
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-27509
    - web: https://github.com/fleetdm/fleet/commit/718c95e47ad010ad6b8ceb3f3460e921fbfc53bb
    - web: https://github.com/fleetdm/fleet/releases/tag/fleet-v4.64.2
notes:
    - fix: 'github.com/fleetdm/fleet/v4: could not add vulnerable_at: no fix, but could not find latest version from proxy: HTTP GET /github.com/fleetdm/fleet/v4/@latest returned status 404 Not Found'
source:
    id: GHSA-52jx-g6m5-h735
    created: 2025-03-10T14:13:27.937602-04:00
review_status: UNREVIEWED