PYSEC-2026-1382

Vulnerability from pysec - Published: 2026-07-07 14:34 - Updated: 2026-07-07 17:24
VLAI
Details

Impact

Auth DB login form default cache directives allows browser to locally store sensitive data. This can be an issue on environments using shared computer resources.

Patches

Upgrade flask-appbuilder to version 4.5.1

Workarounds

If upgrading is not possible configure your web server to send the following HTTP headers for /login: "Cache-Control": "no-store, no-cache, must-revalidate, max-age=0" "Pragma": "no-cache" "Expires": "0"

Severity
3.6 (Low)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
Impacted products
Name purl
flask-appbuilder pkg:pypi/flask-appbuilder
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "flask-appbuilder",
        "purl": "pkg:pypi/flask-appbuilder"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1.10",
        "0.1.11",
        "0.1.12",
        "0.1.13",
        "0.1.14",
        "0.1.15",
        "0.1.16",
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        "0.1.44",
        "0.1.45",
        "0.1.46",
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        "0.3.10",
        "0.3.11",
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        "0.3.13",
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        "4.1.4",
        "4.1.4rc1",
        "4.1.5",
        "4.1.5rc1",
        "4.1.6",
        "4.1.6rc1",
        "4.1.7rc1",
        "4.2.0",
        "4.2.0rc1",
        "4.2.1",
        "4.2.1rc1",
        "4.2.2rc1",
        "4.3.0",
        "4.3.0rc1",
        "4.3.1",
        "4.3.10",
        "4.3.10rc1",
        "4.3.11",
        "4.3.11rc1",
        "4.3.1rc1",
        "4.3.2",
        "4.3.2rc1",
        "4.3.2rc2",
        "4.3.3",
        "4.3.3rc1",
        "4.3.3rc2",
        "4.3.4",
        "4.3.4rc1",
        "4.3.5",
        "4.3.5rc1",
        "4.3.5rc2",
        "4.3.6",
        "4.3.6rc1",
        "4.3.7",
        "4.3.7rc1",
        "4.3.8",
        "4.3.8rc1",
        "4.3.9",
        "4.3.9rc1",
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        "4.4.0rc1",
        "4.4.1",
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        "4.5.0",
        "4.5.0rc1",
        "4.5.1rc1"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-45314",
    "GHSA-fw5r-6m3x-rh7p"
  ],
  "details": "### Impact\nAuth DB login form default cache directives allows browser to locally store sensitive data. This can be an issue on environments using shared computer resources.\n\n### Patches\nUpgrade flask-appbuilder to version 4.5.1\n\n### Workarounds\nIf upgrading is not possible configure your web server to send the following HTTP headers for /login:\n\"Cache-Control\": \"no-store, no-cache, must-revalidate, max-age=0\"\n\"Pragma\": \"no-cache\"\n\"Expires\": \"0\" \n",
  "id": "PYSEC-2026-1382",
  "modified": "2026-07-07T17:24:09.157520Z",
  "published": "2026-07-07T14:34:40.306044Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-fw5r-6m3x-rh7p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45314"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dpgaspar/Flask-AppBuilder/commit/3030e881d2e44f4021764e18e489fe940a9b3636"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dpgaspar/Flask-AppBuilder"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/flask-appbuilder"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-fw5r-6m3x-rh7p"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Flask-AppBuilder\u0027s login form allows browser to cache sensitive fields "
}



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