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palletsprojects flask
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palletsprojects flask
4 known vulnerabilities across versions
Vulnerabilities are listed by affected version. Select any CVE for the full briefing and its intelligence graph.
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CVE-2026-27205
< 3.1.3
Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is
4.3
MEDIUM
CVE-2023-30861
< 2.2.5
Flask is a lightweight WSGI web application framework. When all of the following conditions are met, a response containing data in
7.5
HIGH
CVE-2019-1010083
< 1.0
The Pallets Project Flask before 1.0 is affected by: unexpected memory usage. The impact is: denial of service. The attack vector
7.5
HIGH
CVE-2018-1000656
< 0.12.3
The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can resul
7.5
HIGH
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