Bump werkzeug from 3.1.8 to 3.1.9

[dependabot]

Bumps werkzeug from 3.1.8 to 3.1.9.

Release notes

Sourced from werkzeug's releases.

3.1.9

This is the Werkzeug 3.1.9 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/3.1.9/ Changes: https://werkzeug.palletsprojects.com/page/changes/#version-3-1-9 Milestone: https://github.com/pallets/werkzeug/milestone/46?closed=1

• safe_join on Windows does not allow special devices names with empty ADS markers on NTFS. GHSA-g6x2-hccm-hh4m
• ProfilerMiddleware uses profiling.tracing on Python 3.15. #3207
• uri_to_iri and iri_to_uri preserve empty username, password, and port 0. #3189
• Improve performance of parse_options_header. #3231
• Improve performance of parse_etags. #3231
• Improve performance of parse_cookie. #3231
• get_host also checks that the port is in the valid range. #3236
• The int URL converter returns a 404 instead of 500 error when the value is longer than sys.get_int_max_str_digits(). #3237
• Improve debugger PIN generation from cgroup data inside Podman. #3245
• Authorization parsing basic auth disallows non-base64 characters. #3248
• application/x-www-form-urlencoded form data is no longer limited to max_form_memory_size, only max_content_length. #3251
• LimitedStream.readinto does not resize the buffer when it reads less than the remaining size. #3253
• Rules with 10 or more converters in a single part assign matched values correctly. #3254
• The invalid Range suffix length -0 is no longer accepted. #3255

Changelog

Sourced from werkzeug's changelog.

Version 3.1.9

Released 2026-09-27

• safe_join on Windows does not allow special devices names with empty ADS markers on NTFS. :ghsa:g6x2-hccm-hh4m
• ProfilerMiddleware uses profiling.tracing on Python 3.15. :issue:3207
• uri_to_iri and iri_to_uri preserve empty username, password, and port 0. :issue:3189
• Improve performance of parse_options_header. :pr:3231
• Improve performance of parse_etags. :pr:3231
• Improve performance of parse_cookie. :pr:3231
• get_host also checks that the port is in the valid range. :pr:3236
• The int URL converter returns a 404 instead of 500 error when the value is longer than sys.get_int_max_str_digits(). :issue:3237
• Improve debugger PIN generation from cgroup data inside Podman. :issue:3245
• Authorization parsing basic auth disallows non-base64 characters. :pr:3248
• application/x-www-form-urlencoded form data is no longer limited to max_form_memory_size, only max_content_length. :pr:3251
• LimitedStream.readinto does not resize the buffer when it reads less than the remaining size. :pr:3253
• Rules with 10 or more converters in a single part assign matched values correctly. :pr:3254
• The invalid Range suffix length -0 is no longer accepted. :pr:3255

Commits

• 6604c3b release version 3.1.9
• a78b30a update dependencies
• 8d77320 disallow special name with ads (#3309)
• b2a2c09 disallow special name with ads
• 4efac9d add links
• 400c23e Allow flit_core 4.x (#3261)
• 7132a19 allow flit_core 4
• 6fba87c only accept ASCII digits
• 263f5ca disallow range -0 (#3255)
• 0c419f9 disallow range -0
• Additional commits viewable in compare view

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[github-actions]

Coverage for unit tests for Python 3.14

File	Stmts	Miss	Cover	Missing
server
__init__.py	52	4	92%	55, 65–67, 87
cache.py	6	1	83%	12
forms.py	138	14	90%	24–26, 42–44, 71, 94, 169–172, 179, 187
models.py	211	26	88%	60, 64, 67, 70, 73, 76–81, 143–152, 182, 200, 257, 260, 283, 327, 341
views.py	767	513	33%	39, 49–85, 95–129, 140–144, 161–170, 186–203, 214–221, 230–252, 263–276, 285, 296–299, 317–318, 320–325, 327–328, 342–366, 375–397, 406–433, 450–452, 462–504, 544–574, 583–613, 633, 647–650, 652–655, 664–694, 703–720, 751–755, 764–810, 816–868, 880–882, 889–910, 918–939, 971, 995, 1040–1049, 1051, 1066–1067, 1072–1085, 1099, 1104, 1131–1132
server/controllers
__init__.py	82	17	79%	27–28, 36–39, 43, 72, 76, 85, 101–110
auth_controllers.py	40	23	42%	22–51, 57–59
health_controllers.py	21	7	67%	18–19, 24–28
server/services/auth
__init__.py	28	3	89%	25–26, 30
server/services/canvas
__init__.py	80	61	24%	18–25, 29, 33, 37, 43, 55–64, 69–105, 109–124, 128
fake_canvas.py	39	26	33%	9, 12, 15, 20–25, 28–29, 37–46, 49–56
server/services/core
assign.py	76	3	96%	25, 28, 114
data.py	61	34	44%	13–18, 22–26, 30–34, 38–40, 44–55, 90–92, 101–102, 106–107
export.py	27	6	78%	37–39, 41–43
room.py	61	18	70%	11–33, 57, 70–71, 74
student.py	192	5	97%	33, 37–38, 47, 284
server/services/email
__init__.py	50	3	94%	47, 74, 92
smtp.py	100	25	75%	20, 60–62, 84–92, 104–105, 117–124, 128–130, 141–142
server/services/email/templates
__init__.py	33	1	97%	20
server/typings
exception.py	34	4	88%	42, 53, 59–60
server/utils
date.py	7	1	86%	30
misc.py	16	7	56%	13–19
TOTAL	2391	802	66%

Tests	Skipped	Failures	Errors	Time
300	0 💤	0 ❌	0 🔥	12.679s ⏱️

[github-actions]

Coverage for e2e tests for Python 3.14

File	Stmts	Miss	Cover	Missing
server
__init__.py	52	12	77%	13, 16–22, 27, 55, 65–67, 87
cache.py	6	1	83%	12
forms.py	138	21	85%	24–26, 42–44, 69–71, 93–99, 169–172, 179, 187
models.py	211	70	67%	27, 60, 64, 67, 70, 73, 76–81, 111, 126–132, 136, 140, 143–152, 161–162, 169–170, 177–182, 189–197, 200, 214, 217–219, 222, 226, 238, 242, 246, 250–251, 257, 260, 280, 283, 304, 309, 314, 319, 324, 327, 341
views.py	767	656	14%	38–40, 49–85, 95–129, 140–144, 161–170, 186–203, 214–221, 230–252, 263–276, 285, 296–299, 310–329, 342–366, 375–397, 406–433, 442–453, 462–504, 515–523, 531–535, 544–574, 583–613, 622–655, 664–694, 703–720, 726–729, 739–746, 751–755, 764–810, 816–868, 874–884, 889–910, 915–945, 950–954, 962–972, 976–978, 983–1016, 1026–1030, 1037–1061, 1066–1067, 1072–1085, 1094, 1099, 1104, 1120–1136, 1146–1147
server/controllers
__init__.py	82	46	44%	26–44, 47–49, 60–87, 90, 101–110, 113
auth_controllers.py	40	26	35%	14–16, 22–51, 57–59
dev_login_controllers.py	58	44	24%	17–30, 35–52, 60–61, 68–79, 84–101
health_controllers.py	21	12	43%	9, 14–19, 24–28
server/services/auth
__init__.py	28	7	75%	25–26, 30, 62–63, 68–69
server/services/canvas
__init__.py	80	61	24%	18–25, 29, 33, 37, 43, 55–64, 69–105, 109–124, 128
fake_canvas.py	39	26	33%	9, 12, 15, 20–25, 28–29, 37–46, 49–56
server/services/core
assign.py	76	58	24%	10–13, 16, 19, 22, 25, 28, 36, 40–46, 54–55, 63, 67, 84–149, 163–180
data.py	61	41	33%	13–18, 22–26, 30–34, 38–40, 44–55, 62, 72–74, 79, 90–92, 96–97, 101–102, 106–107
export.py	27	22	19%	11–46
layout_preview.py	92	57	38%	81, 85, 90, 94, 105–110, 116–119, 128–130, 140, 147, 159–162, 167–171, 175–177, 199–200, 206–209, 218–222, 227, 239–259
room.py	61	56	8%	11–33, 41–89
student.py	192	159	17%	33, 37–38, 42, 46–48, 57–60, 70–72, 79, 88–93, 104–107, 110–114, 122–136, 140–143, 152–157, 161, 165, 172–307
server/services/csv
__init__.py	26	17	35%	11–12, 20, 27–30, 40, 54–56, 63–68
server/services/email
__init__.py	50	38	24%	23–40, 44–81, 90–101
smtp.py	100	78	22%	20, 28–41, 49–50, 54–63, 68–93, 99–131, 136–142
server/services/email/templates
__init__.py	33	23	30%	9–11, 14–17, 20, 30–41, 45–47
server/services/google
__init__.py	55	39	29%	21–36, 40–43, 47–53, 57–76
server/typings
exception.py	34	13	62%	20–36, 42, 47, 53, 59–60, 69, 72
server/utils
date.py	7	4	43%	17–19, 30
misc.py	16	13	19%	5–9, 13–19, 23
TOTAL	2391	1600	33%

Tests	Skipped	Failures	Errors	Time
14	0 💤	0 ❌	0 🔥	45.233s ⏱️

[github-actions]

🚀 Staging Preview Deployed!

URL: https://preview-seating-pr-134-137456085712.us-west1.run.app

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.45%. Comparing base (42af93f) to head (dda4604).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #134   +/-   ##
=======================================
  Coverage   66.45%   66.45%           
=======================================
  Files          29       29           
  Lines        2391     2391           
=======================================
  Hits         1589     1589           
  Misses        802      802           

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