PT-2025-45782 · Pypi · Datasette

Published 2025-11-06 · Updated 2025-11-06

OSV

CVSS v4.0

2.7

Low

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

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.

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

GHSA-W832-GG5G-X44M

Affected Products

Datasette

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-64481 · Security Note
• https://osv.dev/vulnerability/GHSA-w832-gg5g-x44m · Vendor Advisory
• https://github.com/simonw/datasette/security/advisories/GHSA-w832-gg5g-x44m · Note
• https://github.com/simonw/datasette/commit/f257ca6edb64848c3b04b54d41e347c54fe57c05 · Note
• https://github.com/simonw/datasette/issues/2429 · Note
• https://github.com/simonw/datasette · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/datasette/PYSEC-2025-73.yaml · Note