CVE-2026-7723

{
  "id": "CVE-2026-7723",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-04T03:16:13.143",
  "lastModified": "2026-10-26T19:10:00.163",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version 3.6.14 is able to address this issue. This patch is called f8afecadf88ea5f73694dafa3a365b9d8fae1ad6. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una vulnerabilidad en PrefectHQ prefect hasta la versión 3.6.13. Afecta a una función desconocida del archivo /API/events/in del componente WebSocket Endpoint. La ejecución de una manipulación puede llevar a una ausencia de autenticación. El ataque puede realizarse de forma remota. El exploit ha sido publicado y puede ser utilizado. La actualización a la versión 3.6.14 puede solucionar este problema. Este parche se llama 0d3ab3c2d3f9f98abfafdf7b9f6d4f8ed3925e40. Se recomienda actualizar el componente afectado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "PrefectHQ",
          "product": "prefect",
          "cpes": [
            "cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "WebSocket Endpoint"
          ],
          "versions": [
            {
              "version": "3.6.0",
              "status": "affected"
            },
            {
              "version": "3.6.1",
              "status": "affected"
            },
            {
              "version": "3.6.2",
              "status": "affected"
            },
            {
              "version": "3.6.3",
              "status": "affected"
            },
            {
              "version": "3.6.4",
              "status": "affected"
            },
            {
              "version": "3.6.5",
              "status": "affected"
            },
            {
              "version": "3.6.6",
              "status": "affected"
            },
            {
              "version": "3.6.7",
              "status": "affected"
            },
            {
              "version": "3.6.8",
              "status": "affected"
            },
            {
              "version": "3.6.9",
              "status": "affected"
            },
            {
              "version": "3.6.10",
              "status": "affected"
            },
            {
              "version": "3.6.11",
              "status": "affected"
            },
            {
              "version": "3.6.12",
              "status": "affected"
            },
            {
              "version": "3.6.13",
              "status": "affected"
            },
            {
              "version": "3.6.14",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-04T11:33:53.101447Z",
          "id": "CVE-2026-7723",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        },
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/PrefectHQ/prefect/",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/PrefectHQ/prefect/pull/20372",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/PrefectHQ/prefect/releases/tag/3.6.14",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/submit/807256",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/360899",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/360899/cti",
      "source": "[email protected]"
    }
  ]
}