CVE-2026-7722 (GCVE-0-2026-7722)

Vulnerability from cvelistv5 – Published: 2026-05-04 02:15 – Updated: 2026-05-04 21:17 X_Open Source
VLAI
Title
PrefectHQ prefect Health Check API health endswith improper authentication
Summary
A vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 3.6.22 will fix this issue. The patch is named e21617125335025b4b27e7d6f0ca028e8e8f3b79. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 12:56 UTC
CWE
  • CWE-287 - Improper Authentication
Impacted products
Vendor Product Version CPE status
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
Affected: 3.6.14
Affected: 3.6.15
Affected: 3.6.16
Affected: 3.6.17
Affected: 3.6.18
Affected: 3.6.19
Affected: 3.6.20
Affected: 3.6.21
Unaffected: 3.6.22
    cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:*
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Show details on NVD website

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          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "nedlir (VulDB User)"
            },
            {
              "lang": "en",
              "type": "coordinator",
              "value": "VulDB CNA Team"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 3.6.22 will fix this issue. The patch is named e21617125335025b4b27e7d6f0ca028e8e8f3b79. Upgrading the affected component is recommended. 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:N/VA:N/SC:N/SI:N/SA:N/E:P",
                "version": "4.0"
              }
            },
            {
              "cvssV3_1": {
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C",
                "version": "3.1"
              }
            },
            {
              "cvssV3_0": {
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C",
                "version": "3.0"
              }
            },
            {
              "cvssV2_0": {
                "baseScore": 5,
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C",
                "version": "2.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-287",
                  "description": "Improper Authentication",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-04T21:17:46.743Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-360898 | PrefectHQ prefect Health Check API health endswith improper authentication",
              "tags": [
                "vdb-entry",
                "technical-description"
              ],
              "url": "https://vuldb.com/vuln/360898"
            },
            {
              "name": "VDB-360898 | CTI Indicators (IOB, IOC, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/vuln/360898/cti"
            },
            {
              "name": "Submit #807255 | PrefectHQ Perfect \u003c=3.6.21 Improper Authentication",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/submit/807255"
            },
            {
              "tags": [
                "exploit"
              ],
              "url": "https://gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04"
            },
            {
              "tags": [
                "issue-tracking",
                "patch"
              ],
              "url": "https://github.com/PrefectHQ/prefect/pull/21063"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f3b79"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/PrefectHQ/prefect/releases/tag/3.6.22"
            },
            {
              "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": "2026-05-04T23:22:23.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "PrefectHQ prefect Health Check API health endswith improper authentication"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2026-7722",
        "datePublished": "2026-05-04T02:15:18.541Z",
        "dateReserved": "2026-05-03T09:18:12.918Z",
        "dateUpdated": "2026-05-04T21:17:46.743Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.

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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.


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