422 strict cookie has not been found

[dbeniamine]

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Steps to reproduce

1. Impersonate a user
2. got the error 422
3. go back to / url, impersonate works

If you disconnect and impersonate again the 422 error is replaced by a 404, indeed I am redirected to/index.php/index.php/apps/files yes twice index.php ...

Expected behaviour

No error page

Actual behaviour

Server configuration

Web server: Docker + nginx behind a traefik

Database: Mariadb

PHP version: 8.3

Nextcloud version: 31.0.5

List of activated apps

Enabled:
  - activity: 4.0.0
  - admin_audit: 1.21.0
  - app_api: 5.0.2
  - bbb: 2.8.0
  - bruteforcesettings: 4.0.0
  - calendar: 5.3.2
  - circles: 31.0.0
  - cloud_federation_api: 1.14.0
  - comments: 1.21.0
  - contacts: 7.1.3
  - contactsinteraction: 1.12.0
  - dashboard: 7.11.0
  - dav: 1.33.0
  - deck: 1.15.1
  - federatedfilesharing: 1.21.0
  - files: 2.3.1
  - files_accesscontrol: 2.0.0
  - files_automatedtagging: 2.0.0
  - files_downloadlimit: 4.0.0
  - files_pdfviewer: 4.0.0
  - files_reminders: 1.4.0
  - files_sharing: 1.23.1
  - files_trashbin: 1.21.0
  - files_versions: 1.24.0
  - firstrunwizard: 4.0.0
  - forms: 5.1.0
  - groupfolders: 19.1.0
  - impersonate: 2.0.0
  - logreader: 4.0.0
  - lookup_server_connector: 1.19.0
  - nextcloud_announcements: 3.0.0
  - notifications: 4.0.0
  - oauth2: 1.19.1
  - onlyoffice: 9.9.0
  - password_policy: 3.0.0
  - photos: 4.0.0-dev.1
  - privacy: 3.0.0
  - profile: 1.0.0
  - provisioning_api: 1.21.0
  - recommendations: 4.0.0
  - related_resources: 2.0.0
  - serverinfo: 3.0.0
  - settings: 1.14.0
  - sharebymail: 1.21.0
  - side_menu: 5.1.1
  - support: 3.0.0
  - survey_client: 3.0.0
  - systemtags: 1.21.1
  - tasks: 0.16.1
  - text: 5.0.0
  - theming: 2.6.1
  - twofactor_backupcodes: 1.20.0
  - updatenotification: 1.21.0
  - user_ldap: 1.22.0
  - viewer: 4.0.0
  - weather_status: 1.11.0
  - webhook_listeners: 1.2.0
  - workflowengine: 2.13.0

Nextcloud configuration

If you have access to your command line run e.g.:
sudo -u www-data php occ config:list system
from within your Nextcloud installation folder

{
    "system": {
        "memcache.local": "\\OC\\Memcache\\APCu",
        "apps_paths": [
            {
                "path": "\/var\/www\/html\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/www\/html\/custom_apps",
                "url": "\/custom_apps",
                "writable": true
            }
        ],
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            ***REMOVED SENSITIVE VALUE***",
            ***REMOVED SENSITIVE VALUE***"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "31.0.5.1",
        "overwrite.cli.url": "https:\/\/nextcloud.socinfo.fr",
        "overwriteprotocol": "https",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "ldapIgnoreNamingRules": false,
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "onlyoffice": {
            "editors_check_interval": 0
        },
        "allow_local_remote_servers": "true",
        "maintenance": false,
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "25",
        "default_language": "fr",
        "default_locale": "fr_FR",
        "skeletondirectory": "",
        "loglevel": "2",
        "defaultapp": "files",
        "theme": "",
        "default_phone_region": "FR",
        "app_install_overwrite": [
            "ldap_write_support",
            "impersonate",
            "apporder",
            "bbb"
        ],
        "mail_smtpsecure": "",
        "maintenance_window_start": "1",
        "lost_password_link": "https:\/\/dolibarr.socinfo.fr\/user\/passwordforgotten.php"
    }
}

Browser

Browser name: Firefox

Browser version: 139

Operating system: GNU/Linux Debian

[blizzz]

Thanks for your report @dbeniamine! Unfortunately, I cannot reproduce the described behaviour. It might be something with your proxy stack/configuration.