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flask
PyPI
latest
3.1.3
· 2026-02-19
pypi.org · all 64 versions
Security advisories
2
flask: Flask session does not add `Vary: Cookie` header when accessed in some ways
fixed in 3.1.3
flask: Flask vulnerable to possible disclosure of permanent session cookie due to missing Vary: Cookie header
fixed in 2.3.2, 2.2.5
Versions that change something
2.2.5
2023-05
fixes 1 advisory
2.3.2
2023-05
fixes 1 advisory
3.1.3
latest
2026-02
4 changes
4 breaking
fixes 1 advisory
What each upgrade changes in its API
Changes argument counts
●
breaks on upgrade
→ 3.1.3
· 4
Changes arguments
●
breaks on upgrade
→ 3.1.3
· 27
Changes types
●
breaks on upgrade
→ 3.1.3
· 11
Removes APIs
●
breaks on upgrade
→ 3.1.3
· 165