{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.0.12"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "55b6913c03f0dba37cc207975f0c0d0786e0f3c7"
            }
          ],
          "repo": "https://github.com/flowiseai/flowise",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-285",
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8027.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "3.0.0"
          },
          {
            "last_affected": "3.0.0"
          },
          {
            "introduced": "3.0.1"
          },
          {
            "last_affected": "3.0.1"
          },
          {
            "introduced": "3.0.2"
          },
          {
            "last_affected": "3.0.2"
          },
          {
            "introduced": "3.0.3"
          },
          {
            "last_affected": "3.0.3"
          },
          {
            "introduced": "3.0.4"
          },
          {
            "last_affected": "3.0.4"
          },
          {
            "introduced": "3.0.5"
          },
          {
            "last_affected": "3.0.5"
          },
          {
            "introduced": "3.0.6"
          },
          {
            "last_affected": "3.0.6"
          },
          {
            "introduced": "3.0.7"
          },
          {
            "last_affected": "3.0.7"
          },
          {
            "introduced": "3.0.8"
          },
          {
            "last_affected": "3.0.8"
          },
          {
            "introduced": "3.0.9"
          },
          {
            "last_affected": "3.0.9"
          },
          {
            "introduced": "3.0.10"
          },
          {
            "last_affected": "3.0.10"
          },
          {
            "introduced": "3.0.11"
          },
          {
            "last_affected": "3.0.11"
          },
          {
            "introduced": "3.0.12"
          },
          {
            "last_affected": "3.0.12"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A weakness has been identified in FlowiseAI Flowise up to 3.0.12. Affected by this vulnerability is an unknown functionality of the component User Controller Handler. This manipulation of the argument userId/organizationId/workspaceId/email causes authorization bypass. The attack may be initiated remotely. The affected component should be upgraded.",
  "id": "CVE-2026-8027",
  "modified": "2026-08-12T03:51:43.195950166Z",
  "published": "2026-05-06T13:45:10.213Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://gist.github.com/YLChen-007/3584e6ffa0bba6367328ecf0b46b0e4b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8027.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8027"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/777657"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/361274"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/361274/cti"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X",
      "type": "CVSS_V4"
    }
  ],
  "summary": "FlowiseAI Flowise User Controller authorization"
}