PYSEC-2026-1800

Vulnerability from pysec - Published: 2026-07-07 14:34 - Updated: 2026-07-07 17:25
VLAI
Details

A CORS (Cross-Origin Resource Sharing) misconfiguration in prefecthq/prefect prior to version 3.0.3 allows unauthorized domains to access sensitive data. This vulnerability can lead to unauthorized access to the database, resulting in potential data leaks, loss of confidentiality, service disruption, and data integrity risks.

Severity
7.6 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
Impacted products
Name purl
prefect pkg:pypi/prefect
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "prefect",
        "purl": "pkg:pypi/prefect"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.20.17"
            },
            {
              "introduced": "3.0.0rc1"
            },
            {
              "fixed": "3.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.10.0",
        "0.10.1",
        "0.10.2",
        "0.10.3",
        "0.10.4",
        "0.10.5",
        "0.10.6",
        "0.10.7",
        "0.11.0",
        "0.11.1",
        "0.11.2",
        "0.11.3",
        "0.11.4",
        "0.11.5",
        "0.12.0",
        "0.12.1",
        "0.12.2",
        "0.12.3",
        "0.12.4",
        "0.12.5",
        "0.12.6",
        "0.13.0",
        "0.13.1",
        "0.13.10",
        "0.13.11",
        "0.13.12",
        "0.13.13",
        "0.13.14",
        "0.13.15",
        "0.13.16",
        "0.13.17",
        "0.13.18",
        "0.13.19",
        "0.13.2",
        "0.13.3",
        "0.13.4",
        "0.13.5",
        "0.13.6",
        "0.13.7",
        "0.13.8",
        "0.13.9",
        "0.14.0",
        "0.14.1",
        "0.14.10",
        "0.14.11",
        "0.14.12",
        "0.14.13",
        "0.14.14",
        "0.14.15",
        "0.14.16",
        "0.14.17",
        "0.14.18",
        "0.14.19",
        "0.14.2",
        "0.14.20",
        "0.14.21",
        "0.14.22",
        "0.14.3",
        "0.14.4",
        "0.14.5",
        "0.14.6",
        "0.14.7",
        "0.14.8",
        "0.14.9",
        "0.15.0",
        "0.15.1",
        "0.15.10",
        "0.15.11",
        "0.15.12",
        "0.15.13",
        "0.15.2",
        "0.15.3",
        "0.15.4",
        "0.15.5",
        "0.15.6",
        "0.15.7",
        "0.15.8",
        "0.15.9",
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        "0.5.1",
        "0.5.2",
        "0.5.3",
        "0.5.4",
        "0.5.5",
        "0.6.0",
        "0.6.1",
        "0.6.2",
        "0.6.3",
        "0.6.4",
        "0.6.5",
        "0.6.6",
        "0.6.7",
        "0.7.0",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.8.0",
        "0.8.1",
        "0.9.0",
        "0.9.1",
        "0.9.2",
        "0.9.3",
        "0.9.4",
        "0.9.5",
        "0.9.6",
        "0.9.7",
        "0.9.8",
        "1.0.0",
        "1.0rc1",
        "1.1.0",
        "1.2.0",
        "1.2.1",
        "1.2.2",
        "1.2.3",
        "1.2.4",
        "1.3.0",
        "1.3.1",
        "1.4.0",
        "1.4.1",
        "2.0.0",
        "2.0.1",
        "2.0.2",
        "2.0.3",
        "2.0.4",
        "2.0a1",
        "2.0a10",
        "2.0a11",
        "2.0a12",
        "2.0a13",
        "2.0a2",
        "2.0a3",
        "2.0a4",
        "2.0a5",
        "2.0a6",
        "2.0a7",
        "2.0a8",
        "2.0a9",
        "2.0b1",
        "2.0b10",
        "2.0b11",
        "2.0b12",
        "2.0b13",
        "2.0b14",
        "2.0b15",
        "2.0b16",
        "2.0b2",
        "2.0b3",
        "2.0b4",
        "2.0b5",
        "2.0b6",
        "2.0b7",
        "2.0b8",
        "2.0b9",
        "2.1.0",
        "2.1.1",
        "2.10.0",
        "2.10.1",
        "2.10.10",
        "2.10.11",
        "2.10.12",
        "2.10.13",
        "2.10.14",
        "2.10.15",
        "2.10.16",
        "2.10.17",
        "2.10.18",
        "2.10.19",
        "2.10.2",
        "2.10.20",
        "2.10.21",
        "2.10.3",
        "2.10.4",
        "2.10.5",
        "2.10.6",
        "2.10.7",
        "2.10.8",
        "2.10.9",
        "2.11.0",
        "2.11.1",
        "2.11.2",
        "2.11.3",
        "2.11.4",
        "2.11.5",
        "2.12.0",
        "2.12.1",
        "2.13.0",
        "2.13.1",
        "2.13.2",
        "2.13.3",
        "2.13.4",
        "2.13.5",
        "2.13.6",
        "2.13.7",
        "2.13.8",
        "2.14.0",
        "2.14.1",
        "2.14.10",
        "2.14.11",
        "2.14.12",
        "2.14.13",
        "2.14.14",
        "2.14.15",
        "2.14.16",
        "2.14.17",
        "2.14.18",
        "2.14.19",
        "2.14.2",
        "2.14.20",
        "2.14.21",
        "2.14.3",
        "2.14.4",
        "2.14.5",
        "2.14.6",
        "2.14.8",
        "2.14.9",
        "2.15.0",
        "2.16.0",
        "2.16.1",
        "2.16.2",
        "2.16.3",
        "2.16.4",
        "2.16.5",
        "2.16.6",
        "2.16.7",
        "2.16.8",
        "2.16.9",
        "2.17.0",
        "2.17.1",
        "2.18.0",
        "2.18.1",
        "2.18.2",
        "2.18.3",
        "2.19.0",
        "2.19.1",
        "2.19.2",
        "2.19.3",
        "2.19.4",
        "2.19.5",
        "2.19.6",
        "2.19.7",
        "2.19.8",
        "2.19.9",
        "2.2.0",
        "2.20.0",
        "2.20.1",
        "2.20.10",
        "2.20.11",
        "2.20.12",
        "2.20.13",
        "2.20.14",
        "2.20.15",
        "2.20.16",
        "2.20.2",
        "2.20.3",
        "2.20.4",
        "2.20.5",
        "2.20.6",
        "2.20.7",
        "2.20.8",
        "2.20.9",
        "2.3.0",
        "2.3.1",
        "2.3.2",
        "2.4.0",
        "2.4.1",
        "2.4.2",
        "2.4.3",
        "2.4.4",
        "2.4.5",
        "2.5.0",
        "2.6.0",
        "2.6.1",
        "2.6.2",
        "2.6.3",
        "2.6.4",
        "2.6.5",
        "2.6.6",
        "2.6.7",
        "2.6.8",
        "2.6.9",
        "2.7.0",
        "2.7.1",
        "2.7.10",
        "2.7.11",
        "2.7.12",
        "2.7.2",
        "2.7.3",
        "2.7.4",
        "2.7.5",
        "2.7.6",
        "2.7.7",
        "2.7.8",
        "2.7.9",
        "2.8.0",
        "2.8.1",
        "2.8.2",
        "2.8.3",
        "2.8.4",
        "2.8.5",
        "2.8.6",
        "2.8.7",
        "2.9.0",
        "3.0.0",
        "3.0.0rc1",
        "3.0.0rc10",
        "3.0.0rc11",
        "3.0.0rc12",
        "3.0.0rc13",
        "3.0.0rc14",
        "3.0.0rc15",
        "3.0.0rc16",
        "3.0.0rc17",
        "3.0.0rc18",
        "3.0.0rc19",
        "3.0.0rc2",
        "3.0.0rc20",
        "3.0.0rc3",
        "3.0.0rc4",
        "3.0.0rc5",
        "3.0.0rc6",
        "3.0.0rc7",
        "3.0.0rc8",
        "3.0.0rc9",
        "3.0.1",
        "3.0.2"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-8183",
    "GHSA-4v9f-r55g-g6hc"
  ],
  "details": "A CORS (Cross-Origin Resource Sharing) misconfiguration in prefecthq/prefect prior to version 3.0.3 allows unauthorized domains to access sensitive data. This vulnerability can lead to unauthorized access to the database, resulting in potential data leaks, loss of confidentiality, service disruption, and data integrity risks.",
  "id": "PYSEC-2026-1800",
  "modified": "2026-07-07T17:25:08.052681Z",
  "published": "2026-07-07T14:34:56.433987Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-8183"
    },
    {
      "type": "WEB",
      "url": "https://github.com/PrefectHQ/prefect/issues/15074"
    },
    {
      "type": "WEB",
      "url": "https://github.com/PrefectHQ/prefect/commit/8f159b404126d93964a4daace7619bc553fa318c"
    },
    {
      "type": "WEB",
      "url": "https://github.com/prefecthq/prefect/commit/a69266e077169b8a32ad76b1dd3ea63b96d011c2"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/PrefectHQ/prefect"
    },
    {
      "type": "WEB",
      "url": "https://github.com/PrefectHQ/prefect/releases/tag/2.20.17"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/b801de43-ff9f-4db9-b583-4797d4f7d3d2"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/prefect"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-4v9f-r55g-g6hc"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Prefect CORS (Cross-Origin Resource Sharing) misconfiguration"
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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