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Bumps the uv group with 2 updates in the /backend directory: protobuf and urllib3.

Updates protobuf from 6.33.0 to 6.33.5

Release notes

Sourced from protobuf's releases.

Protocol Buffers v34.0-rc1

Announcements

Bazel

Compiler

C++

... (truncated)

Commits

Updates starlette from 0.46.1 to 0.38.6

Changelog

Sourced from starlette's changelog.

0.46.1 (March 8, 2025)

Fixed

  • Allow relative directory path when follow_symlinks=True #2896.

0.46.0 (February 22, 2025)

Added

  • GZipMiddleware: Make sure Vary header is always added if a response can be compressed #2865.

Fixed

  • Raise exception from background task on BaseHTTPMiddleware #2812.
  • GZipMiddleware: Don't compress on server sent events #2871.

Changed

  • MultiPartParser: Rename max_file_size to spool_max_size #2780.

Deprecated

  • Add deprecated warning to TestClient(timeout=...) #2840.

0.45.3 (January 24, 2025)

Fixed

  • Turn directory into string on lookup_path on commonpath comparison #2851.

0.45.2 (January 4, 2025)

Fixed

  • Make create_memory_object_stream compatible with old anyio versions once again, and bump anyio minimum version to 3.6.2 #2833.

0.45.1 (December 30, 2024)

Fixed

  • Close MemoryObjectReceiveStream left unclosed upon exception in BaseHTTPMiddleware children #2813.
  • Collect errors more reliably from the WebSocket logic on the TestClient #2814.

Refactor

  • Use a pair of memory object streams instead of two queues on the TestClient #2829.

0.45.0 (December 29, 2024)

... (truncated)

Commits

Updates urllib3 from 2.3.0 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

2.6.2

🚀 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

  • Fixed HTTPResponse.read_chunked() to properly handle leftover data in the decoder's buffer when reading compressed chunked responses. (urllib3/urllib3#3734)

2.6.1

🚀 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

  • Restore previously removed HTTPResponse.getheaders() and HTTPResponse.getheader() methods. (#3731)

2.6.0

🚀 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.

Security

  • Fixed a security issue where streaming API could improperly handle highly compressed HTTP content ("decompression bombs") leading to excessive resource consumption even when a small amount of data was requested. Reading small chunks of compressed data is safer and much more efficient now. (CVE-2025-66471 reported by @​Cycloctane, 8.9 High, GHSA-2xpw-w6gg-jr37)
  • Fixed a security issue where an attacker could compose an HTTP response with virtually unlimited links in the Content-Encoding header, potentially leading to a denial of service (DoS) attack by exhausting system resources during decoding. The number of allowed chained encodings is now limited to 5. (CVE-2025-66418 reported by @​illia-v, 8.9 High, GHSA-gm62-xv2j-4w53)

[!IMPORTANT]

  • If urllib3 is not installed with the optional urllib3[brotli] extra, but your environment contains a Brotli/brotlicffi/brotlipy package anyway, make sure to upgrade it to at least Brotli 1.2.0 or brotlicffi 1.2.0.0 to benefit from the security fixes and avoid warnings. Prefer using urllib3[brotli] to install a compatible Brotli package automatically.

... (truncated)

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>__)

2.6.2 (2025-12-11)

  • Fixed HTTPResponse.read_chunked() to properly handle leftover data in the decoder's buffer when reading compressed chunked responses. ([#3734](https://github.com/urllib3/urllib3/issues/3734) <https://github.com/urllib3/urllib3/issues/3734>__)

2.6.1 (2025-12-08)

  • Restore previously removed HTTPResponse.getheaders() and HTTPResponse.getheader() methods. ([#3731](https://github.com/urllib3/urllib3/issues/3731) <https://github.com/urllib3/urllib3/issues/3731>__)

2.6.0 (2025-12-05)

Security

  • Fixed a security issue where streaming API could improperly handle highly compressed HTTP content ("decompression bombs") leading to excessive resource consumption even when a small amount of data was requested. Reading small chunks of compressed data is safer and much more efficient now. (GHSA-2xpw-w6gg-jr37 <https://github.com/urllib3/urllib3/security/advisories/GHSA-2xpw-w6gg-jr37>__)
  • Fixed a security issue where an attacker could compose an HTTP response with virtually unlimited links in the Content-Encoding header, potentially leading to a denial of service (DoS) attack by exhausting system resources during decoding. The number of allowed chained encodings is now limited to 5. (GHSA-gm62-xv2j-4w53 <https://github.com/urllib3/urllib3/security/advisories/GHSA-gm62-xv2j-4w53>__)

.. caution::

  • If urllib3 is not installed with the optional urllib3[brotli] extra, but your environment contains a Brotli/brotlicffi/brotlipy package anyway, make sure to upgrade it to at least Brotli 1.2.0 or brotlicffi 1.2.0.0 to benefit from the security fixes and avoid warnings. Prefer using

... (truncated)

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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Bumps the uv group with 2 updates in the /backend directory: [protobuf](https://github.com/protocolbuffers/protobuf) and [urllib3](https://github.com/urllib3/urllib3).


Updates `protobuf` from 6.33.0 to 6.33.5
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

Updates `starlette` from 0.46.1 to 0.38.6
- [Release notes](https://github.com/Kludex/starlette/releases)
- [Changelog](https://github.com/Kludex/starlette/blob/main/docs/release-notes.md)
- [Commits](Kludex/starlette@0.46.1...0.38.6)

Updates `urllib3` from 2.3.0 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@2.3.0...2.6.3)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 6.33.5
  dependency-type: indirect
  dependency-group: uv
- dependency-name: starlette
  dependency-version: 0.38.6
  dependency-type: indirect
  dependency-group: uv
- dependency-name: urllib3
  dependency-version: 2.6.3
  dependency-type: indirect
  dependency-group: uv
...

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@dependabot dependabot bot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Feb 5, 2026
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