datasetteGHSA-w832-gg5g-x44m
Open redirect endpoint in Datasette
LowCVE-2025-64481 · Published Nov 6, 2025 · updated May 19, 2026
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| datasette PyPI | < 0.65.2 | 0.65.2 |
| >= 1.0a0, < 1.0a21 | 1.0a21 |
Details and references
### 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.
- CVSS 4.0
- 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
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-601
- Also known as
- CVE-2025-64481, PYSEC-2025-73
- github.com/simonw/datasette/security/advisories/GHSA-w832-gg5g-x44m
- nvd.nist.gov/vuln/detail/CVE-2025-64481
- github.com/simonw/datasette/issues/2429
- github.com/simonw/datasette/commit/f257ca6edb64848c3b04b54d41e347c54fe57c05
- github.com/pypa/advisory-database/tree/main/vulns/datasette/PYSEC-2025-73.yaml
- github.com/simonw/datasette
More datasette advisories
All| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 222023 | Datasette 1.0 alpha series leaks names of databases and tables to unauthenticated users CVE-2023-40570Medium5.3fixed in 1.0a4 | Medium5.3 | 1.0a4 |
| Jun 72021 | Reflected cross-site scripting issue in Datasette CVE-2021-32670Medium7.2fixed in 0.56.1 | Medium7.2 | 0.56.1 |
| Aug 112020 | CSRF tokens leaked in URL by canned query form GHSA-q6j3-c4wc-63vwMedium4.3fixed in 0.46 | Medium4.3 | 0.46 |