Vulnerability-Lookup

CVE-2026-104286 (GCVE-0-2026-104286)

Vulnerability from cvelistv5 – Published: 2026-10-01 19:17 – Updated: 2026-10-01 20:10

CISA ENISA

Summary

An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 20:02 UTC

CWE

CWE-22 - Execute unauthorized code or commands

Assigner

fortinet mitre root Scorecard

References

2 references

URL	Tags
https://fortiguard.fortinet.com/psirt/FG-IR-26-175
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version	CPE status
Fortinet	FortiMail	Affected: 8.0.0 Affected: 7.6.0 , ≤ 7.6.5 (semver) Affected: 7.4.0 , ≤ 7.4.6 (semver) Affected: 7.2.0 , ≤ 7.2.9 (semver) Affected: 7.0.0 , ≤ 7.0.9 (semver) cpe:2.3:a:fortinet:fortimail:8.0.0:::::::* cpe:2.3:a:fortinet:fortimail:7.6.5:::::::* cpe:2.3:a:fortinet:fortimail:7.6.4:::::::* cpe:2.3:a:fortinet:fortimail:7.6.3:::::::* cpe:2.3:a:fortinet:fortimail:7.6.2:::::::* cpe:2.3:a:fortinet:fortimail:7.6.1:::::::* cpe:2.3:a:fortinet:fortimail:7.6.0:::::::* cpe:2.3:a:fortinet:fortimail:7.4.6:::::::* cpe:2.3:a:fortinet:fortimail:7.4.5:::::::* cpe:2.3:a:fortinet:fortimail:7.4.4:::::::* cpe:2.3:a:fortinet:fortimail:7.4.3:::::::* cpe:2.3:a:fortinet:fortimail:7.4.2:::::::* cpe:2.3:a:fortinet:fortimail:7.4.1:::::::* cpe:2.3:a:fortinet:fortimail:7.4.0:::::::* cpe:2.3:a:fortinet:fortimail:7.2.9:::::::* cpe:2.3:a:fortinet:fortimail:7.2.8:::::::* cpe:2.3:a:fortinet:fortimail:7.2.7:::::::* cpe:2.3:a:fortinet:fortimail:7.2.6:::::::* cpe:2.3:a:fortinet:fortimail:7.2.5:::::::* cpe:2.3:a:fortinet:fortimail:7.2.4:::::::* cpe:2.3:a:fortinet:fortimail:7.2.3:::::::* cpe:2.3:a:fortinet:fortimail:7.2.2:::::::* cpe:2.3:a:fortinet:fortimail:7.2.1:::::::* cpe:2.3:a:fortinet:fortimail:7.2.0:::::::* cpe:2.3:a:fortinet:fortimail:7.0.9:::::::* cpe:2.3:a:fortinet:fortimail:7.0.8:::::::* cpe:2.3:a:fortinet:fortimail:7.0.7:::::::* cpe:2.3:a:fortinet:fortimail:7.0.6:::::::* cpe:2.3:a:fortinet:fortimail:7.0.5:::::::* cpe:2.3:a:fortinet:fortimail:7.0.4:::::::* cpe:2.3:a:fortinet:fortimail:7.0.3:::::::* cpe:2.3:a:fortinet:fortimail:7.0.2:::::::* cpe:2.3:a:fortinet:fortimail:7.0.1:::::::* cpe:2.3:a:fortinet:fortimail:7.0.0:::::::*

CISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: da99da21-0ddb-4170-9067-f0610577bf63

Vulnerability ID: CVE-2026-104286

Status: Confirmed

Status Updated: 2026-10-01 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-10-01

Asserted: 2026-10-01

Scope

Notes: Fortinet FortiMail Path Traversal Vulnerability | Affected: Fortinet / FortiMail | Description: Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character vulnerability that may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-10-04 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://fortiguard.fortinet.com/psirt/FG-IR-26-175 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-104286

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details

Cwes	CWE-22 CWE-158
Feed	CISA Known Exploited Vulnerabilities Catalog
Product	FortiMail
Due Date	2026-10-04
Date Added	2026-10-01
Vendorproject	Fortinet
Vulnerabilityname	Fortinet FortiMail Path Traversal Vulnerability
Knownransomwarecampaignuse	Unknown

References

CVE-2026-104286

Created: 2026-10-01 20:00 UTC | Updated: 2026-10-01 20:00 UTC

ENISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 91caa741-17b0-4e52-92de-7c8cde17b5f9

Vulnerability ID: CVE-2026-104286

Status: Confirmed

Status Updated: 2026-10-01 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-10-01

Asserted: 2026-10-01

Scope

Notes: Affected: Fortinet / FortiMail | Description: Improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests. Customers are urged to disable the IBE feature support or disable access to the FortiMail management interface from the internet or limit the access only from trusted private network. | Exploitation type: unknown | CWEs: CWE-22, CWE-158 | Origin source: CNW | Notes: https://fortiguard.fortinet.com/psirt/FG-IR-26-175

Evidence

Type: Csirt Report

Signal: Successful Exploitation

Confidence: 75%

Source: enisa-cnw-kev

Details

Cwes	CWE-22 CWE-158
Euvd	EUVD-2026-91042
Notes	https://fortiguard.fortinet.com/psirt/FG-IR-26-175
Catalog	ENISA / EU CSIRTs Network (CNW) KEV JSON
Product	FortiMail
Datereported	2026/10/01
Originsource	CNW
Patchedsince
Vendorproject	Fortinet
Exploitationtype	unknown
Vulnerabilityname
Threatactorsexploiting

References

Created: 2026-10-01 22:00 UTC | Updated: 2026-10-01 22:00 UTC

Show details on NVD website

JSON

To clipboard

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                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-10-01T20:02:06.190902Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-10-01T19:38:33.218Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104286"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:fortinet:fortimail:8.0.0:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.6.5:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.6.4:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.6.3:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.6.2:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.6.1:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.6.0:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.4.6:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.4.5:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.4.4:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.4.3:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.4.2:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.4.1:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.4.0:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.9:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.8:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.7:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.6:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.5:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.4:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.3:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.2:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.1:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.2.0:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.9:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.8:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.7:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.6:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.5:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.4:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.3:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.2:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.1:*:*:*:*:*:*:*",
                "cpe:2.3:a:fortinet:fortimail:7.0.0:*:*:*:*:*:*:*"
              ],
              "defaultStatus": "unaffected",
              "product": "FortiMail",
              "vendor": "Fortinet",
              "versions": [
                {
                  "status": "affected",
                  "version": "8.0.0"
                },
                {
                  "lessThanOrEqual": "7.6.5",
                  "status": "affected",
                  "version": "7.6.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "7.4.6",
                  "status": "affected",
                  "version": "7.4.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "7.2.9",
                  "status": "affected",
                  "version": "7.2.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "7.0.9",
                  "status": "affected",
                  "version": "7.0.0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "An improper limitation of a pathname to a restricted directory (\u0027path traversal\u0027) vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-22",
                  "description": "Execute unauthorized code or commands",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-01T19:29:27.913Z",
            "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
            "shortName": "fortinet"
          },
          "references": [
            {
              "name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-175",
              "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-175"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Upgrade to upcoming  FortiMail version 8.0.1 or above\nUpgrade to upcoming  FortiMail version 7.6.6 or above\nUpgrade to upcoming  FortiMail version 7.4.8 or above\nUpgrade to upcoming  FortiMail version 7.2.10 or above\nUpgrade to FortiRecorder version 7.6.1 or above\nUpgrade to FortiRecorder version 7.2.12 or above\nUpgrade to upcoming  FortiRecorder version 7.0.7 or above"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "assignerShortName": "fortinet",
        "cveId": "CVE-2026-104286",
        "datePublished": "2026-10-01T19:17:38.938Z",
        "dateReserved": "2026-10-01T19:12:54.081Z",
        "dateUpdated": "2026-10-01T20:10:11.148Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-104286

Vulnerability from fkie_nvd - Published: 2026-10-01 20:17 - Updated: 2026-10-01 21:17

CISA ENISA

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	psirt@fortinet.com	https://fortiguard.fortinet.com/psirt/FG-IR-26-175
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104286

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:fortinet:fortimail:8.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.6.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.6.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.6.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.6.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.6.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.6.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.4.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.4.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortimail:7.0.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiMail",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "8.0.0"
            },
            {
              "lessThanOrEqual": "7.6.5",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.4.6",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.9",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.9",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "cisaActionDue": "2026-10-04",
  "cisaExploitAdd": "2026-10-01",
  "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset\u0027s internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
  "cisaVulnerabilityName": "Fortinet FortiMail Path Traversal Vulnerability",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper limitation of a pathname to a restricted directory (\u0027path traversal\u0027) vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests."
    }
  ],
  "id": "CVE-2026-104286",
  "lastModified": "2026-10-01T21:17:19.407",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-104286",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-01T20:02:06.190902Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-01T20:17:24.010",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-175"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104286"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Secondary"
    }
  ]
}

GHSA-6GXC-3VV7-7W24

Vulnerability from github – Published: 2026-10-01 21:32 – Updated: 2026-10-01 21:32

Details

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-104286"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-01T20:17:24Z",
    "severity": "CRITICAL"
  },
  "details": "An improper limitation of a pathname to a restricted directory (\u0027path traversal\u0027) vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests.",
  "id": "GHSA-6gxc-3vv7-7w24",
  "modified": "2026-10-01T21:32:52Z",
  "published": "2026-10-01T21:32:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104286"
    },
    {
      "type": "WEB",
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-175"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104286"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-104286 (GCVE-0-2026-104286)

CISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Vendor Report Successful Exploitation Confidence: 80% Source: cisa-kev

Details

References

ENISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Csirt Report Successful Exploitation Confidence: 75% Source: enisa-cnw-kev

Details

References

FKIE_CVE-2026-104286

GHSA-6GXC-3VV7-7W24

Tags

Sightings

Nomenclature

Related by attack behaviour