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@dependabot dependabot bot commented on behalf of github Jan 19, 2026

Bumps urllib3 from 2.6.2 to 2.6.3.

Release notes

Sourced from urllib3's releases.

2.6.3

🚀 urllib3 is fundraising for HTTP/2 support

urllib3 is raising ~$40,000 USD to release HTTP/2 support and ensure long-term sustainable maintenance of the project after a sharp decline in financial support. If your company or organization uses Python and would benefit from HTTP/2 support in Requests, pip, cloud SDKs, and thousands of other projects please consider contributing financially to ensure HTTP/2 support is developed sustainably and maintained for the long-haul.

Thank you for your support.

Changes

Changelog

Sourced from urllib3's changelog.

2.6.3 (2026-01-07)

  • Fixed a high-severity security issue where decompression-bomb safeguards of the streaming API were bypassed when HTTP redirects were followed. (GHSA-38jv-5279-wg99 <https://github.com/urllib3/urllib3/security/advisories/GHSA-38jv-5279-wg99>__)
  • Started treating Retry-After times greater than 6 hours as 6 hours by default. ([#3743](https://github.com/urllib3/urllib3/issues/3743) <https://github.com/urllib3/urllib3/issues/3743>__)
  • Fixed urllib3.connection.VerifiedHTTPSConnection on Emscripten. ([#3752](https://github.com/urllib3/urllib3/issues/3752) <https://github.com/urllib3/urllib3/issues/3752>__)
Commits
  • 0248277 Release 2.6.3
  • 8864ac4 Merge commit from fork
  • 70cecb2 Fix Scorecard issues related to vulnerable dev dependencies (#3755)
  • 41f249a Move "v2.0 Migration Guide" to the end of the table of contents (#3747)
  • fd4dffd Patch VerifiedHTTPSConnection for Emscripten (#3752)
  • 13f0bfd Handle massive values in Retry-After when calculating time to sleep for (#3743)
  • 8c480bf Bump actions/upload-artifact from 5.0.0 to 6.0.0 (#3748)
  • 4b40616 Bump actions/cache from 4.3.0 to 5.0.1 (#3750)
  • 82b8479 Bump actions/download-artifact from 6.0.0 to 7.0.0 (#3749)
  • 34284cb Mention experimental features in the security policy (#3746)
  • Additional commits viewable in compare view

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@dependabot dependabot bot added dependencies Pull requests that update a dependency file python Pull requests that update Python code labels Jan 19, 2026
@dependabot dependabot bot requested a review from asvetlov as a code owner January 19, 2026 20:28
@dependabot dependabot bot added the python Pull requests that update Python code label Jan 19, 2026
@dependabot dependabot bot requested review from Tinche and seifertm as code owners January 19, 2026 20:28
@seifertm
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@dependabot rebase

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.6.2 to 2.6.3.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.6.2...2.6.3)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot force-pushed the dependabot/pip/main/urllib3-2.6.3 branch from 265ff54 to cc8b8b2 Compare January 23, 2026 16:28
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.64%. Comparing base (aa24c93) to head (cc8b8b2).

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #1338   +/-   ##
=======================================
  Coverage   93.64%   93.64%           
=======================================
  Files           2        2           
  Lines         409      409           
  Branches       44       44           
=======================================
  Hits          383      383           
  Misses         20       20           
  Partials        6        6           

☔ View full report in Codecov by Sentry.
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@seifertm seifertm added this pull request to the merge queue Jan 23, 2026
Merged via the queue into main with commit 6682fe1 Jan 23, 2026
22 checks passed
@seifertm seifertm deleted the dependabot/pip/main/urllib3-2.6.3 branch January 23, 2026 16:43
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