CVE-2026-84393 (GCVE-0-2026-84393)
Vulnerability from cvelistv5
Published
2026-09-08 16:41
Modified
2026-09-10 03:56
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE
Summary
A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via <insert attack vector here>
References
Impacted products
Vendor Product Version
Fortinet FortiOS Version: 7.6.1   ≤ 7.6.6
    cpe:2.3:o:fortinet:fortios:7.6.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*
 Create a notification for this product.
   Fortinet FortiProxy Version: 7.6.2   ≤ 7.6.6
    cpe:2.3:a:fortinet:fortiproxy:7.6.6:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:fortiproxy:7.6.5:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:fortiproxy:7.6.4:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:fortiproxy:7.6.2:*:*:*:*:*:*:*
 Create a notification for this product.
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                "timestamp": "2026-09-09T00:00:00+00:00",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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      "metrics": [
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            "baseScore": 7.3,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
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          "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-174"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to FortiOS version 8.0.0 or above\nUpgrade to FortiOS version 7.6.7 or above\nUpgrade to upcoming  FortiProxy version 8.0.0 or above\nUpgrade to upcoming  FortiProxy version 7.6.7 or above\nFortinet remediated this issue in FortiSASE version 26.2.2 (not released) and hence customers do not need to perform any action."
        }
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  "cveMetadata": {
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    "state": "PUBLISHED"
  },
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}


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