CVE-2025-64481 is a low severity vulnerability with a CVSS score of 0.0. No known exploits currently, and patches are available.
Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
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.
This problem has been patched in both Datasette 0.65.2 and 1.0a21.
If Datasette is running behind a proxy that proxy could be configured to replace // with / in incoming request URLs.
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