CVE-2025-64481
NoneCVSS
—
EPSS
0.4%
Published
Nov 7, 2025
CISA due date
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The record
Datasette is an open source multi-tool for exploring and publishing data. In versions 0.65.1 and below and 1.0a0 through 1.0a19, deployed instances of Datasette 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. This problem has been patched in both Datasette 0.65.2 and 1.0a21. To workaround this issue, if Datasette is running behind a proxy, that proxy could be configured to replace // with / in incoming request URLs.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| PyPI | datasette | 0 | 0.65.2 |
| PyPI | datasette | 1.0a0 | 1.0a21 |
| pypi | datasette | 1.0a0 | No fix |
Related vulnerabilities
- GHSA-w832-gg5g-x44m Open redirect endpoint in Datasette Same vulnerability
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