GHSA-W832-GG5G-X44M

Vulnerability from github – Published: 2025-11-06 15:13 – Updated: 2026-05-19 20:23
VLAI
Summary
Open redirect endpoint in Datasette
Details

Impact

Deployed instances of Datasette prior to 0.65.2 and 1.0a21 include an open redirect vulnerability.

Hits to the path //example.com/foo/bar/ (the trailing slash is required) will redirect the user to https://example.com/foo/bar.

Patches

This problem has been patched in both Datasette 0.65.2 and 1.0a21.

Workarounds

If Datasette is running behind a proxy that proxy could be configured to replace // with / in incoming request URLs.

Severity
2.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "datasette"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.65.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c 1.0a20"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "datasette"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0a0"
            },
            {
              "fixed": "1.0a21"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-64481"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-06T15:13:33Z",
    "nvd_published_at": "2025-11-07T21:15:42Z",
    "severity": "LOW"
  },
  "details": "### Impact\n\nDeployed instances of Datasette prior to `0.65.2` and `1.0a21` include an open redirect vulnerability.\n\nHits to the path `//example.com/foo/bar/` (the trailing slash is required) will redirect the user to `https://example.com/foo/bar`.\n\n### Patches\n\nThis problem has been patched in both Datasette `0.65.2` and `1.0a21`.\n\n### Workarounds\n\nIf Datasette is running behind a proxy that proxy could be configured to replace `//` with `/` in incoming request URLs.",
  "id": "GHSA-w832-gg5g-x44m",
  "modified": "2026-05-19T20:23:11Z",
  "published": "2025-11-06T15:13:33Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/simonw/datasette/security/advisories/GHSA-w832-gg5g-x44m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64481"
    },
    {
      "type": "WEB",
      "url": "https://github.com/simonw/datasette/issues/2429"
    },
    {
      "type": "WEB",
      "url": "https://github.com/simonw/datasette/commit/f257ca6edb64848c3b04b54d41e347c54fe57c05"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/datasette/PYSEC-2025-73.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/simonw/datasette"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Open redirect endpoint in Datasette"
}



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