s2
--:--:--UTC

Searching APEX

Starting…

  1. ○ Searching Threats, IOCs & Threat Intelligence locally
  2. ○ Querying external providers
  3. ○ Asking AI Forensic Validator
  4. ○ Creating new entry from validated hit

0s elapsed

CVE-2026-7723

📛 CVE Title

PrefectHQ prefect WebSocket Endpoint in missing authentication

⬇ Download JSON ⚠ View as Threat

Description

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.

Overview

State
PUBLISHED
Assigner (CNA)
VulDB
CVSS severity
MEDIUM
CVSS score
CVSS 6.9 / 10 6.9 6.9 / 10
CVSS vector
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
Effective score
6.9 / 10 MEDIUM source: CNA overview
CWE(s)
CWE-306, CWE-287
Reserved
2026-05-03
Published
2026-05-04 04:30 UTC
Last updated
2026-05-04 23:17 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/7xxx/CVE-2026-7723.json
Linked Threat
CVE-2026-7723 — CVE-2026-7723

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-05-04 03:16:13 UTC
NVD last modified
2026-05-04 22:16:19 UTC
NVD CVSS v3.1
CVSS 7.3 / 10 7.3 7.3 / 10 HIGH source: cna@vuldb.com
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploitability subscore
3.9 / 10
Impact subscore
3.4 / 10
EPSS score
0.0014 (probability of exploitation in next 30 days)
EPSS percentile
33.16% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD / KEV / EPSS data refreshed 2026-05-25 06:34 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-26877
Assigner
VulDB
Published
May 4, 2026, 2:30:18 AM
Updated
May 4, 2026, 9:17:54 PM
EUVD base score (CVSS 4.0)
6.9 / 10
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
EUVD-reported EPSS
0.1400
Vendors
prefecthq
Products
prefect (3.6.12)
prefect (3.6.0)
prefect (3.6.2)
prefect (3.6.13)
prefect (3.6.1)
prefect (3.6.7)
prefect (3.6.5)
prefect (3.6.9)
prefect (3.6.6)
prefect (3.6.4)
prefect (3.6.11)
prefect (3.6.8)
prefect (3.6.3)
prefect
prefect (3.6.10)

ENISA description: 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.

EUVD references (8)

Affected products (1)
VendorProductVersionsPlatforms
PrefectHQ prefect 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 (affected), 3.6.14 (unaffected) —

Vendor references (8)

References embedded in the original CVE record by the assigning CNA.

MITRE references (8) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (3)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

NVD-tagged references (8)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (18)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • Microsoft's March 2026 security update addresses 83 vulnerabilities
    web:cyberinsider.com

    Microsoft fixes 83 vulnerabilities in Windows 11 with the March 2026 Patch Tuesday update, including two publicly disclosed zero-day flaws.

    2026-05-23 21:16 UTC
  • Microsoft Patch Tuesday March 2026 - 78 Vulnerabilities Fixed ...
    web:cybersecuritynews.com

    Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...

    2026-05-23 21:16 UTC
  • CISA gives agencies until Friday to patch critical cyber bug
    web:federalnewsnetwork.com

    CISA's latest emergency directive tells agencies to immediately patch critical vulnerabilities in Cisco networking devices.

    2026-05-23 21:16 UTC
  • Patch Tuesday, May 2026 Edition - Krebs on Security
    web:krebsonsecurity.com

    Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.

    2026-05-23 21:16 UTC
  • Security Update Guide - Microsoft
    web:portal.msrc.microsoft.com

    The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

    2026-05-23 21:16 UTC
  • Microsoft March 2026 Patch Tuesday fixes 2 zero-days, 79 flaws
    web:www.bleepingcomputer.com

    Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day vulnerabilities.

    2026-05-23 21:16 UTC
  • Oracle Critical Patch Update Advisory - April 2026
    web:www.oracle.com

    This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-05-23 21:16 UTC
  • Microsoft's March 2026 update fixes 80+ security vulnerabilities
    web:www.pcworld.com

    This month's Patch Tuesday brings over 80 fixes for various security vulnerabilities. Fortunately, none are actively being exploited in the wild yet.

    2026-05-23 21:16 UTC
  • I tested Windows 11 March 2026 Updates: Everything new ... - Windows Latest
    web:www.windowslatest.com

    Windows 11 March 2026 Patch Tuesday update adds Emoji 16.0, Sysmon, network speed test, reliability improvements, and security fixes.

    2026-05-23 21:16 UTC
  • Patch Tuesday May 2026: Security Updates & CVE Analysis
    web:zecurit.com

    Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

    2026-05-23 21:16 UTC
  • Oracle Critical Patch Update (CPU) April 2026 for Oracle Java SE
    web:docs.oracle.com

    Oracle Critical Patch Update (CPU) April 2026 for Oracle Java SE Services: Java Management Release Date: April 21, 2026

    2026-06-03 07:49 UTC
  • Nvd - Cve-2026-4723
    web:nvd.nist.gov

    An official website of the United States government Here's how you know

    2026-06-03 07:49 UTC
  • Microsoft Technical Security Notifications
    web:www.microsoft.com

    Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.

    2026-06-03 07:49 UTC
  • Oracle Critical Security Patch Update Advisory - May 2026
    web:www.oracle.com

    This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.

    2026-06-03 07:49 UTC
  • Oracle Patches 450 Vulnerabilities With April 2026 CPU
    web:www.securityweek.com

    Oracle on Tuesday announced the release of 481 new security patches as part of its April 2026 Critical Patch Update (CPU). Across the 28 product families that received security updates, more than 300 patches address vulnerabilities that are remotely exploitable without authentication. Roughly three dozen fixes resolve critical-severity security defects. There appear to be approximately 450 ...

    2026-06-03 07:49 UTC
  • Oracle's First Monthly Patches Resolve 77 Vulnerabilities
    web:www.securityweek.com

    Oracle has released its first monthly Critical Security Patch Update (CSPU) to resolve 77 vulnerabilities across its products.

    2026-06-03 07:49 UTC
  • Oracle April 2026 Critical Patch Update 241 CVEs | Tenable®
    web:www.tenable.com

    Oracle addresses 241 CVEs in its April Critical Patch Update, the second quarterly update of 2026 with 481 patches, including 34 critical updates.

    2026-06-03 07:49 UTC
  • Quantifying 2026 Routinely Targeted Vulnerabilities (So Far)
    web:www.vulncheck.com

    VulnCheck identified 25 CVEs disclosed in 2026 that have been routinely targeted by adversaries and researchers so far this year, drawing from a global body of exploit code and exploitation data.

    2026-06-03 07:49 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-7723.json.

{
  "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 <=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"
}