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gh-136992: Add 'None' as valid SameSite value as per RFC6265bis #137040

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Merged
merged 7 commits into from
Jul 27, 2025
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gh-136992: Add 'None' as valid SameSite value as per RFC6265bis #137040

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034648c
Doc: Add 'None' as valid SameSite value as per RFC6265bis
iqra-codes Jul 22, 2025
5fa67f1
Doc: Remove reference to RFC6265bis from SameSite=None note
iqra-codes Jul 25, 2025
19ee8cc
Update Doc/library/http.cookies.rst
iqra-codes Jul 26, 2025
5d8ca29
Doc: Update SameSite description to follow RFC wording
iqra-codes Jul 26, 2025
b2efceb
Doc: Ensure exactly one blank line after SameSite paragraph
iqra-codes Jul 26, 2025
ccbcdd3
Doc: Remove extra whitespace from blank line after partitioned paragraph
iqra-codes Jul 27, 2025
edb3a7f
Doc: Remove extra whitespace from blank line after partitioned paragraph
iqra-codes Jul 27, 2025
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9 changes: 6 additions & 3 deletions Doc/library/http.cookies.rst
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Expand Up @@ -148,9 +148,12 @@ Morsel Objects
in HTTP requests, and is not accessible through JavaScript. This is intended
to mitigate some forms of cross-site scripting.

The attribute :attr:`samesite` specifies that the browser is not allowed to
send the cookie along with cross-site requests. This helps to mitigate CSRF
attacks. Valid values for this attribute are "Strict" and "Lax".
The attribute :attr:`samesite` controls when the browser sends the cookie with
cross-site requests. This helps to mitigate CSRF attacks. Valid values are
"Strict" (only sent with same-site requests), "Lax" (sent with same-site
requests and top-level navigations), and "None" (sent with same-site and
cross-site requests). When using "None", the "secure" attribute must also
be set, as required by modern browsers.

The attribute :attr:`partitioned` indicates to user agents that these
cross-site cookies *should* only be available in the same top-level context
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