{
  "schema_version": "1.3.1",
  "id": "GO-2025-3505",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2025-27509",
    "GHSA-52jx-g6m5-h735"
  ],
  "summary": "Fleet has SAML authentication vulnerability due to improper SAML response validation in github.com/fleetdm/fleet",
  "details": "Fleet has SAML authentication vulnerability due to improper SAML response validation in github.com/fleetdm/fleet.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/fleetdm/fleet/v4 before v4.53.2, from v4.54.0 before v4.58.1, from v4.62.0 before v4.62.4, from v4.63.0 before v4.63.2, from v4.64.0 before v4.64.2.",
  "affected": [
    {
      "package": {
        "name": "github.com/fleetdm/fleet/v4",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "custom_ranges": [
          {
            "type": "ECOSYSTEM",
            "events": [
              {
                "introduced": "0"
              },
              {
                "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"
              }
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/fleetdm/fleet/security/advisories/GHSA-52jx-g6m5-h735"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27509"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fleetdm/fleet/commit/718c95e47ad010ad6b8ceb3f3460e921fbfc53bb"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fleetdm/fleet/releases/tag/fleet-v4.64.2"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2025-3505",
    "review_status": "UNREVIEWED"
  }
}