Bump werkzeug from 3.0.6 to 3.1.6 in the uv group across 1 directory

[dependabot]

Bumps the uv group with 1 update in the / directory: werkzeug.

Updates werkzeug from 3.0.6 to 3.1.6

Release notes

Sourced from werkzeug's releases.

3.1.6

This is the Werkzeug 3.1.6 security fix release, which fixes a security issue but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/Werkzeug/3.1.6/ Changes: https://werkzeug.palletsprojects.com/page/changes/#version-3-1-6

• safe_join on Windows does not allow special devices names in multi-segment paths. GHSA-29vq-49wr-vm6x

3.1.5

This is the Werkzeug 3.1.5 security fix release, which fixes security issues and bugs but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/Werkzeug/3.1.5/ Changes: https://werkzeug.palletsprojects.com/page/changes/#version-3-1-5 Milestone: https://github.com/pallets/werkzeug/milestone/43?closed=1

• safe_join on Windows does not allow more special device names, regardless of extension or surrounding spaces. GHSA-87hc-h4r5-73f7
• The multipart form parser handles a \r\n sequence at a chunk boundary. This fixes the previous attempt, which caused incorrect content lengths. #3065 #3077
• Fix AttributeError when initializing DebuggedApplication with pin_security=False. #3075

3.1.4

This is the Werkzeug 3.1.4 fix release, which fixes bugs but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/Werkzeug/3.1.4/ Changes: https://werkzeug.palletsprojects.com/page/changes/#version-3-1-4 Milestone: https://github.com/pallets/werkzeug/milestone/42?closed=1

• safe_join on Windows does not allow special device names. This prevents reading from these when using send_from_directory. secure_filename already prevented writing to these. ghsa-hgf8-39gv-g3f2
• The debugger pin fails after 10 attempts instead of 11. #3020
• The multipart form parser handles a \r\n sequence at a chunk boundary. #3065
• Improve CPU usage during Watchdog reloader. #3054
• Request.json annotation is more accurate. #3067
• Traceback rendering handles when the line number is beyond the available source lines. #3044
• HTTPException.get_response annotation and doc better conveys the distinction between WSGI and sans-IO responses. #3056

3.1.3

This is the Werkzeug 3.1.3 fix release, which fixes bugs but does not otherwise change behavior and should not result in breaking changes vs 3.1.0.

PyPI: https://pypi.org/project/Werkzeug/3.1.3/ Changes: https://werkzeug.palletsprojects.com/en/stable/changes/#version-3-1-3 Milestone: https://github.com/pallets/werkzeug/milestone/41?closed=1

• Initial data passed to MultiDict and similar interfaces only accepts list, tuple, or set when passing multiple values. It had been changed to accept any Collection, but this matched types that should be treated as single values, such as bytes. #2994
• When the Host header is not set and Request.host falls back to the WSGI SERVER_NAME value, if that value is an IPv6 address it is wrapped in [] to match the Host header. #2993

3.1.2

This is the Werkzeug 3.1.2 fix release, which fixes bugs but does not otherwise change behavior and should not result in breaking changes vs 3.1.0.

PyPI: https://pypi.org/project/Werkzeug/3.1.2/ Changes: https://werkzeug.palletsprojects.com/en/stable/changes/#version-3-1-2

... (truncated)

Changelog

Sourced from werkzeug's changelog.

Version 3.1.6

Released 2026-02-19

• safe_join on Windows does not allow special devices names in multi-segment paths. :ghsa:29vq-49wr-vm6x

Version 3.1.5

Released 2026-01-08

• safe_join on Windows does not allow more special device names, regardless of extension or surrounding spaces. :ghsa:87hc-h4r5-73f7
• The multipart form parser handles a \r\n sequence at a chunk boundary. This fixes the previous attempt, which caused incorrect content lengths. :issue:3065 :issue:3077
• Fix AttributeError when initializing DebuggedApplication with pin_security=False. :issue:3075

Version 3.1.4

Released 2025-11-28

• safe_join on Windows does not allow special device names. This prevents reading from these when using send_from_directory. secure_filename already prevented writing to these. :ghsa:hgf8-39gv-g3f2
• The debugger pin fails after 10 attempts instead of 11. :pr:3020
• The multipart form parser handles a \r\n sequence at a chunk boundary. :issue:3065
• Improve CPU usage during Watchdog reloader. :issue:3054
• Request.json annotation is more accurate. :issue:3067
• Traceback rendering handles when the line number is beyond the available source lines. :issue:3044
• HTTPException.get_response annotation and doc better conveys the distinction between WSGI and sans-IO responses. :issue:3056

Version 3.1.3

Released 2024-11-08

• Initial data passed to MultiDict and similar interfaces only accepts list, tuple, or set when passing multiple values. It had been changed to accept any Collection, but this matched types that should be

... (truncated)

Commits

• 04da1b5 release version 3.1.6
• f407712 Merge commit from fork
• f54fe98 safe_join prevents Windows special device names in multi-segment paths
• d005985 start version 3.1.6
• 8565c2c document rule priority (#3102)
• 3febc7e document rule priority
• 2525b82 remove state machine docs
• 4abfbd5 rewrite build docstring (#3097)
• 161c18b rewrite build docstring
• 86e11c2 release version 3.1.5 (#3085)
• Additional commits viewable in compare view

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2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
fides-plus-nightly	Ignored	Preview	Mar 23, 2026 9:30pm
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[greptile-apps]

Greptile Summary

This PR bumps werkzeug from 3.0.6 to 3.1.6 in the dev dependency group, picking up several security advisories and bug fixes from the 3.1.x release series. Note that werkzeug is not a direct production dependency — it is only pinned in the dev group (the production stack uses FastAPI/Starlette directly).

Key changes included in this upgrade:

• Security (GHSA-29vq-49wr-vm6x): safe_join on Windows no longer allows special device names in multi-segment paths (3.1.6)
• Security (GHSA-87hc-h4r5-73f7): safe_join on Windows no longer allows special device names regardless of extension or surrounding spaces (3.1.5)
• Security (GHSA-hgf8-39gv-g3f2): safe_join on Windows no longer allows special device names when using send_from_directory (3.1.4)
• Bug fix: Multipart form parser correctly handles \r\n sequences at chunk boundaries (3.1.4/3.1.5)
• Behavioral change (3.1.3): MultiDict and similar interfaces now only accept list, tuple, or set for multiple values — this reverts an overly broad change to accept any Collection. If tests pass any other collection type (e.g. bytes) as multi-value data, they may need to be updated.

Confidence Score: 5/5

• This PR is safe to merge — it is a routine, automated security dependency bump with no production code changes.
• The update is confined to the dev dependency group and the corresponding lock file. All three security advisories are Windows-specific safe_join path traversal issues which are low risk for a Linux-based deployment, but the patches are still good to have in the dev toolchain. The 3.1.3 MultiDict behavioral change is a potential source of test breakage but is unlikely to affect this codebase since FastAPI/Starlette are used rather than Flask/werkzeug directly. The dependabot compatibility score also supports this being a low-risk upgrade.
• No files require special attention.

Important Files Changed

Filename	Overview
pyproject.toml	Updates the werkzeug pin in the dev dependency group from 3.0.6 to 3.1.6, incorporating multiple security fixes and bug fixes from the 3.1.x series.
uv.lock	Lock file updated to reflect the new werkzeug version, with correct sdist/wheel URLs and SHA256 hashes for 3.1.6.

_{Last reviewed commit: "Bump werkzeug from 3..."}

[dependabot]

Superseded by #7756.