Bump webob from 1.8.10 to 1.8.11

[dependabot]

Bumps webob from 1.8.10 to 1.8.11.

Changelog

Sourced from webob's changelog.

1.8.11 (2026-08-02)

Security Fix

- The fixes for CVE-2024-42353 and GHSA-fh3h-vg37-cc95 were still
  incomplete: besides removing tab, CR, and LF, ``urllib.parse.urljoin``
  also strips leading and trailing C0 control and space characters from a
  URL before parsing it. A Location value such as
  ``" //www.example.com/test"`` could therefore still be interpreted as a
  protocol-relative URL (and ``" https://www.example.com/test"`` as an
  absolute one), allowing an open redirect.
WebOb no longer uses urllib.parse.urljoin and instead ships its own

implementation of the RFC 3986 reference resolution algorithm,

webob.util.urljoin, which resolves the URL exactly as given without

removing any characters. It is now used to make the Location header

absolute, by Request.relative_url, and by the _HTTPMove based

HTTP exceptions, which normalize the Location header through the same

code path as the Response object (so a protocol-relative location

passed to e.g. HTTPFound no longer redirects off-host either).
See GHSA-6hx8-3wjj-gr8g

Commits

• ebf7054 Merge commit from fork
• 0bf472f Release 1.8.11
• ff89560 Replace the use of Python's stdlib urljoin with our own
• 54c1133 Add regression tests for open redirect via Location normalization
• See full diff in compare view

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