high
CVE-2023-30861
Flask session cookie can be cached by a proxy and served to another client (session disclosure)
- Severity
- high
- Affected product
- Flask
- Affected versions
- Flask < 2.2.5
- Fixed in
- Flask 2.2.5 / 2.3.2
- Detection basis
- Component version range
- Shipped rule
- Flask: Flask session cookie can be cached by a proxy and served to another client (session disclosure)
- Added to NewScan
- 2026-08-02
- Detected by
- NewScan — free, self-hosted
How NewScan reports it
COMPONENT VERSION RANGE
NewScan fingerprints Flask from its response and reports this CVE when the detected version falls inside the affected range below.
References
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