ghsa-99pm-ch96-ccp2
Vulnerability from github
Published
2025-05-16 17:28
Modified
2025-05-16 17:28
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Summary
Flask-AppBuilder open redirect vulnerability using HTTP host injection
Details

Impact

Flask-AppBuilder prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests.

Patches

Flask-AppBuilder 4.6.2 introduced the FAB_SAFE_REDIRECT_HOSTS configuration variable, which allows administrators to explicitly define which domains are considered safe for redirection.

Examples: FAB_SAFE_REDIRECT_HOSTS = ["yourdomain.com", "sub.yourdomain.com", "*.yourcompany.com"]

Workarounds

Use a Reverse Proxy to Enforce Trusted Host Headers

References

Are there any links users can visit to find out more?

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "flask-appbuilder"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-32962"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-05-16T17:28:25Z",
    "nvd_published_at": "2025-05-16T14:15:31Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nFlask-AppBuilder prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests.\n \n### Patches\nFlask-AppBuilder 4.6.2 introduced the `FAB_SAFE_REDIRECT_HOSTS` configuration variable, which allows administrators to explicitly define which domains are considered safe for redirection.\n\nExamples:\n```\nFAB_SAFE_REDIRECT_HOSTS = [\"yourdomain.com\", \"sub.yourdomain.com\", \"*.yourcompany.com\"]\n```\n\n### Workarounds\nUse a Reverse Proxy to Enforce Trusted Host Headers\n\n### References\n_Are there any links users can visit to find out more?_",
  "id": "GHSA-99pm-ch96-ccp2",
  "modified": "2025-05-16T17:28:25Z",
  "published": "2025-05-16T17:28:25Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-99pm-ch96-ccp2"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-32962"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dpgaspar/Flask-AppBuilder/commit/32eedbbb5cb483a3e782c5f2732de4a6a650d9b6"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dpgaspar/Flask-AppBuilder"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Flask-AppBuilder open redirect vulnerability using HTTP host injection"
}


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