Version info:

qutebrowser v3.5.0
Git commit:
Backend: QtWebEngine 6.9
based on Chromium 130.0.6723.192
with security patches up to 133.0.6943.141 (plus any distribution patches)
(source: api)
Qt: 6.9.0

CPython: 3.13.3
PyQt: 6.9.0

Qt wrapper info:
PyQt6: success
PyQt5: not imported
-> selected: PyQt6 (via autoselect)

colorama: no
jinja2: 3.1.5
pygments: no
yaml: 6.0.2
adblock: no
objc: no
PyQt6.QtWebEngineCore: 6.9.0
PyQt6.sip: 6.10.0
pdf.js: 5.2.133 (/usr/share/pdf.js/build/pdf.mjs)
sqlite: 3.49.2
QtNetwork SSL: OpenSSL 3.5.0 8 Apr 2025

Style: QFusionStyle
Platform plugin: xcb
OpenGL: AMD, 4.6 (Compatibility Profile) Mesa 25.0.5-arch1.1
Platform: Linux-6.14.6-arch1-1-x86_64-with-glibc2.41, 64bit
Linux distribution: Arch Linux (arch)
Frozen: False
Imported from /usr/lib/python3.13/site-packages/qutebrowser
Using Python from /usr/bin/python3
Qt library executable path: /usr/lib/qt6, data path: /usr/share/qt6

Paths:
cache: /tmp/qutebrowser-basedir-v4mmzpky/cache
config: /tmp/qutebrowser-basedir-v4mmzpky/config
data: /tmp/qutebrowser-basedir-v4mmzpky/data
runtime: /tmp/qutebrowser-basedir-v4mmzpky/runtime
system data: /usr/share/qutebrowser

Autoconfig loaded: yes
Config.py: no config.py was loaded
Uptime: 0:00:04

Does the bug happen if you start with --temp-basedir?:
yes

Description
Browsing a product on eu.mouser.com results in a Access denied page. This happened from time to time before and the page would work again at some point, but lately the issue seems permanent.

How to reproduce

• Open url eu.mouser.com
• Save custom cookies
• Select location Europe
• Enter a search term, e.g. 3210512 or open https://eu.mouser.com/c/?q=3210512