CVE-2026-7723 (GCVE-0-2026-7723)

Vulnerability from cvelistv5 – Published: 2026-05-04 02:30 – Updated: 2026-05-04 21:17 X_Open Source
VLAI?
Title
PrefectHQ prefect WebSocket Endpoint in missing authentication
Summary
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.
CWE
Assigner
Impacted products
Vendor Product Version
PrefectHQ prefect Affected: 3.6.0
Affected: 3.6.1
Affected: 3.6.2
Affected: 3.6.3
Affected: 3.6.4
Affected: 3.6.5
Affected: 3.6.6
Affected: 3.6.7
Affected: 3.6.8
Affected: 3.6.9
Affected: 3.6.10
Affected: 3.6.11
Affected: 3.6.12
Affected: 3.6.13
Unaffected: 3.6.14
    cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
nedlir (VulDB User) VulDB CNA Team
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-7723",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-04T11:33:53.101447Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-04T11:34:08.175Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "WebSocket Endpoint"
          ],
          "product": "prefect",
          "vendor": "PrefectHQ",
          "versions": [
            {
              "status": "affected",
              "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": "unaffected",
              "version": "3.6.14"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "nedlir (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "Missing Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-04T21:17:54.417Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-360899 | PrefectHQ prefect WebSocket Endpoint in missing authentication",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/360899"
        },
        {
          "name": "VDB-360899 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/360899/cti"
        },
        {
          "name": "Submit #807256 | PerfectHQ Perfect \u003c=3.6.13 Missing Critical Step in Authentication",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/807256"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/PrefectHQ/prefect/pull/20372"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/PrefectHQ/prefect/releases/tag/3.6.14"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/PrefectHQ/prefect/"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-03T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-03T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-04T23:22:28.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "PrefectHQ prefect WebSocket Endpoint in missing authentication"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-7723",
    "datePublished": "2026-05-04T02:30:18.099Z",
    "dateReserved": "2026-05-03T09:18:16.724Z",
    "dateUpdated": "2026-05-04T21:17:54.417Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-7723",
      "date": "2026-05-08",
      "epss": "0.00115",
      "percentile": "0.2966"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-7723\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-05-04T03:16:13.143\",\"lastModified\":\"2026-05-04T22:16:19.943\",\"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.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"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\":\"cna@vuldb.com\",\"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\":\"cna@vuldb.com\",\"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}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"},{\"lang\":\"en\",\"value\":\"CWE-306\"}]}],\"references\":[{\"url\":\"https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/PrefectHQ/prefect/\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/PrefectHQ/prefect/pull/20372\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/PrefectHQ/prefect/releases/tag/3.6.14\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/807256\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/360899\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/360899/cti\",\"source\":\"cna@vuldb.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-7723\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-04T11:33:53.101447Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-04T11:33:59.859Z\"}}], \"cna\": {\"tags\": [\"x_open-source\"], \"title\": \"PrefectHQ prefect WebSocket Endpoint in missing authentication\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"nedlir (VulDB User)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"VulDB CNA Team\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 6.9, \"baseSeverity\": \"MEDIUM\", \"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\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.3, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 7.3, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 7.5, \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:*\"], \"vendor\": \"PrefectHQ\", \"modules\": [\"WebSocket Endpoint\"], \"product\": \"prefect\", \"versions\": [{\"status\": \"affected\", \"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\": \"unaffected\", \"version\": \"3.6.14\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-05-03T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-05-03T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-05-04T23:22:28.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/360899\", \"name\": \"VDB-360899 | PrefectHQ prefect WebSocket Endpoint in missing authentication\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"https://vuldb.com/vuln/360899/cti\", \"name\": \"VDB-360899 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/submit/807256\", \"name\": \"Submit #807256 | PerfectHQ Perfect \u003c=3.6.13 Missing Critical Step in Authentication\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f\", \"tags\": [\"exploit\"]}, {\"url\": \"https://github.com/PrefectHQ/prefect/pull/20372\", \"tags\": [\"issue-tracking\", \"patch\"]}, {\"url\": \"https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/PrefectHQ/prefect/releases/tag/3.6.14\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/PrefectHQ/prefect/\", \"tags\": [\"product\"]}], \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-306\", \"description\": \"Missing Authentication\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-287\", \"description\": \"Improper Authentication\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-05-04T21:17:54.417Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-7723\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-04T21:17:54.417Z\", \"dateReserved\": \"2026-05-03T09:18:16.724Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-05-04T02:30:18.099Z\", \"assignerShortName\": \"VulDB\"}",
      "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…