CVE-2026-59836 (GCVE-0-2026-59836)

Vulnerability from cvelistv5 – Published: 2026-07-14 15:15 – Updated: 2026-07-15 03:59
VLAI
Summary
A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiClientEMS Affected: 7.4.3 , ≤ 7.4.5 (semver)
Affected: 7.4.0 , ≤ 7.4.1 (semver)
Affected: 7.2.12 , ≤ 7.2.14 (semver)
Affected: 7.2.0 , ≤ 7.2.10 (semver)
    cpe:2.3:a:fortinet:forticlientems:7.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.14:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.13:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.12:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.10:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.9:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.8:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.7:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.6:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:fortinet:forticlientems:7.2.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-59836",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-14T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-15T03:59:06.023Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:fortinet:forticlientems:7.4.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.14:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.13:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.12:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.10:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:forticlientems:7.2.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiClientEMS",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.4.5",
              "status": "affected",
              "version": "7.4.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.4.1",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.14",
              "status": "affected",
              "version": "7.2.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.10",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via \u003cinsert attack vector here\u003e"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "Information disclosure",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-14T15:15:08.063Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-147",
          "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-147"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to upcoming  FortiClientEMS version 8.0.0 or above\nUpgrade to FortiClientEMS version 7.4.6 or above"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2026-59836",
    "datePublished": "2026-07-14T15:15:08.063Z",
    "dateReserved": "2026-07-07T15:21:26.614Z",
    "dateUpdated": "2026-07-15T03:59:06.023Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-59836",
      "date": "2026-07-15",
      "epss": "0.00124",
      "percentile": "0.02488"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-59836\",\"sourceIdentifier\":\"psirt@fortinet.com\",\"published\":\"2026-07-14T16:17:02.727\",\"lastModified\":\"2026-07-15T15:00:03.010\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via \u003cinsert attack vector here\u003e\"}],\"affected\":[{\"source\":\"psirt@fortinet.com\",\"affectedData\":[{\"vendor\":\"Fortinet\",\"product\":\"FortiClientEMS\",\"defaultStatus\":\"unaffected\",\"cpes\":[\"cpe:2.3:a:fortinet:forticlientems:7.4.5:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.4.3:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.4.1:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.4.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.14:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.13:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.12:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.10:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.9:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.8:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.7:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.6:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.5:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.4:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.3:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.2:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.1:*:*:*:*:*:*:*\",\"cpe:2.3:a:fortinet:forticlientems:7.2.0:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"7.4.3\",\"lessThanOrEqual\":\"7.4.5\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"7.4.0\",\"lessThanOrEqual\":\"7.4.1\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"7.2.12\",\"lessThanOrEqual\":\"7.2.14\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"7.2.0\",\"lessThanOrEqual\":\"7.2.10\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-07-14T00:00:00+00:00\",\"id\":\"CVE-2026-59836\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-295\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.2.0\",\"versionEndIncluding\":\"7.4.1\",\"matchCriteriaId\":\"C14D03A0-DDAB-4B40-92E1-65E2EB388F0B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.4.3\",\"versionEndExcluding\":\"7.4.6\",\"matchCriteriaId\":\"540023A6-0E3D-4E05-8F3B-577A9AAAC973\"}]}]}],\"references\":[{\"url\":\"https://fortiguard.fortinet.com/psirt/FG-IR-26-147\",\"source\":\"psirt@fortinet.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"affected\": [{\"vendor\": \"Fortinet\", \"product\": \"FortiClientEMS\", \"cpes\": [\"cpe:2.3:a:fortinet:forticlientems:7.4.5:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.4.3:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.4.1:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.4.0:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.14:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.13:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.12:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.10:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.9:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.8:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.7:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.6:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.5:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.4:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.3:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.2:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.1:*:*:*:*:*:*:*\", \"cpe:2.3:a:fortinet:forticlientems:7.2.0:*:*:*:*:*:*:*\"], \"defaultStatus\": \"unaffected\", \"versions\": [{\"versionType\": \"semver\", \"version\": \"7.4.3\", \"lessThanOrEqual\": \"7.4.5\", \"status\": \"affected\"}, {\"versionType\": \"semver\", \"version\": \"7.4.0\", \"lessThanOrEqual\": \"7.4.1\", \"status\": \"affected\"}, {\"versionType\": \"semver\", \"version\": \"7.2.12\", \"lessThanOrEqual\": \"7.2.14\", \"status\": \"affected\"}, {\"versionType\": \"semver\", \"version\": \"7.2.0\", \"lessThanOrEqual\": \"7.2.10\", \"status\": \"affected\"}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via \u003cinsert attack vector here\u003e\"}], \"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2026-07-14T15:15:08.063Z\"}, \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"cweId\": \"CWE-295\", \"description\": \"Information disclosure\", \"type\": \"CWE\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"version\": \"3.1\", \"attackComplexity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 6.7, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C\"}}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to upcoming  FortiClientEMS version 8.0.0 or above\\nUpgrade to FortiClientEMS version 7.4.6 or above\"}], \"references\": [{\"name\": \"https://fortiguard.fortinet.com/psirt/FG-IR-26-147\", \"url\": \"https://fortiguard.fortinet.com/psirt/FG-IR-26-147\"}]}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-59836\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-14T16:02:57.250970Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-14T16:03:00.069Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-59836\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"fortinet\", \"dateReserved\": \"2026-07-07T15:21:26.614Z\", \"datePublished\": \"2026-07-14T15:15:08.063Z\", \"dateUpdated\": \"2026-07-14T16:03:03.056Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…