panic when SSO_MASTER_PASSWORD_POLICY is disabled #420

New Issue

MrUnknownDE · 2026-04-05T21:12:30+02:00

MrUnknownDE commented

2026-04-05 21:12:30 +02:00

Originally created by @harshavmb on 8/10/2025

Prerequisites

I have searched the existing Closed AND Open Issues AND Discussions
I have searched and read the documentation

Vaultwarden Support String

Your environment (Generated via diagnostics page)

Vaultwarden version: v1.34.3-2a5489a4
Web-vault version: v2025.7.0
OS/Arch: linux/aarch64
Running within a container: true (Base: Debian)
Database type: MySQL
Database version: 10.11.13-MariaDB-0ubuntu0.24.04.1-log
Uses config.json: true
Uses a reverse proxy: true
IP Header check: false (X-Forwarded-For)
Internet access: true
Internet access via a proxy: false
DNS Check: true
Browser/Server Time Check: true
Server/NTP Time Check: true
Domain Configuration Check: true
HTTPS Check: true
Websocket Check: true
HTTP Response Checks: true

Config & Details (Generated via diagnostics page)

Show Config & Details

Environment settings which are overridden: DOMAIN, ADMIN_TOKEN, SSO_ENABLED, SSO_ONLY, SSO_CLIENT_ID, SSO_CLIENT_SECRET, SSO_AUTHORITY, SSO_SCOPES, SSO_AUDIENCE_TRUSTED

Config:

{
  "_duo_akey": null,
  "_enable_duo": true,
  "_enable_email_2fa": false,
  "_enable_smtp": true,
  "_enable_yubico": true,
  "_icon_service_csp": "",
  "_icon_service_url": "",
  "_ip_header_enabled": true,
  "_max_note_size": 10000,
  "_smtp_img_src": "***:",
  "admin_ratelimit_max_burst": 3,
  "admin_ratelimit_seconds": 300,
  "admin_session_lifetime": 20,
  "admin_token": "***",
  "allowed_connect_src": "",
  "allowed_iframe_ancestors": "",
  "attachments_folder": "data/attachments",
  "auth_request_purge_schedule": "30 * * * * *",
  "authenticator_disable_time_drift": false,
  "data_folder": "data",
  "database_conn_init": "",
  "database_max_conns": 10,
  "database_timeout": 30,
  "database_url": "*****://****************************************************",
  "db_connection_retries": 15,
  "disable_2fa_remember": false,
  "disable_admin_token": false,
  "disable_icon_download": false,
  "domain": "*****://********************",
  "domain_origin": "*****://********************",
  "domain_path": "",
  "domain_set": true,
  "duo_context_purge_schedule": "30 * * * * *",
  "duo_host": null,
  "duo_ikey": null,
  "duo_skey": null,
  "duo_use_iframe": false,
  "email_2fa_auto_fallback": false,
  "email_2fa_enforce_on_verified_invite": false,
  "email_attempts_limit": 3,
  "email_change_allowed": true,
  "email_expiration_time": 600,
  "email_token_size": 6,
  "emergency_access_allowed": true,
  "emergency_notification_reminder_schedule": "0 3 * * * *",
  "emergency_request_timeout_schedule": "0 7 * * * *",
  "enable_db_wal": true,
  "enable_websocket": true,
  "enforce_single_org_with_reset_pw_policy": false,
  "event_cleanup_schedule": "0 10 0 * * *",
  "events_days_retain": null,
  "experimental_client_feature_flags": "",
  "extended_logging": true,
  "helo_name": null,
  "hibp_api_key": null,
  "http_request_block_non_global_ips": true,
  "http_request_block_regex": null,
  "icon_blacklist_non_global_ips": true,
  "icon_blacklist_regex": null,
  "icon_cache_folder": "data/icon_cache",
  "icon_cache_negttl": 259200,
  "icon_cache_ttl": 2592000,
  "icon_download_timeout": 10,
  "icon_redirect_code": 302,
  "icon_service": "internal",
  "incomplete_2fa_schedule": "30 * * * * *",
  "incomplete_2fa_time_limit": 3,
  "increase_note_size_limit": false,
  "invitation_expiration_hours": 120,
  "invitation_org_name": "Vaultwarden",
  "invitations_allowed": true,
  "ip_header": "X-Real-IP",
  "job_poll_interval_ms": 30000,
  "log_file": null,
  "log_level": "info",
  "log_timestamp_format": "%Y-%m-%d %H:%M:%S.%3f",
  "login_ratelimit_max_burst": 10,
  "login_ratelimit_seconds": 60,
  "org_attachment_limit": null,
  "org_creation_users": "",
  "org_events_enabled": false,
  "org_groups_enabled": false,
  "password_hints_allowed": true,
  "password_iterations": 600000,
  "purge_incomplete_sso_nonce": "0 20 0 * * *",
  "push_enabled": false,
  "push_identity_uri": "https://identity.bitwarden.com",
  "push_installation_id": "***",
  "push_installation_key": "***",
  "push_relay_uri": "https://push.bitwarden.com",
  "reload_templates": false,
  "require_device_email": false,
  "rsa_key_filename": "data/rsa_key",
  "send_purge_schedule": "0 5 * * * *",
  "sendmail_command": null,
  "sends_allowed": true,
  "sends_folder": "data/sends",
  "show_password_hint": false,
  "signups_allowed": true,
  "signups_domains_whitelist": "",
  "signups_verify": false,
  "signups_verify_resend_limit": 6,
  "signups_verify_resend_time": 3600,
  "smtp_accept_invalid_certs": false,
  "smtp_accept_invalid_hostnames": false,
  "smtp_auth_mechanism": null,
  "smtp_debug": false,
  "smtp_embed_images": true,
  "smtp_explicit_tls": null,
  "smtp_from": "********************",
  "smtp_from_name": "Vaultwarden Admin",
  "smtp_host": "*********************",
  "smtp_password": "***",
  "smtp_port": 587,
  "smtp_security": "starttls",
  "smtp_ssl": null,
  "smtp_timeout": 15,
  "smtp_username": "********************",
  "sso_allow_unknown_email_verification": false,
  "sso_audience_trusted": "^\\d{18}$",
  "sso_auth_only_not_session": false,
  "sso_authority": "*****://*******************************",
  "sso_authorize_extra_params": "",
  "sso_callback_path": "*****://*************************************************",
  "sso_client_cache_expiration": 0,
  "sso_client_id": "******************",
  "sso_client_secret": "***",
  "sso_debug_tokens": false,
  "sso_enabled": true,
  "sso_master_password_policy": false,
  "sso_only": true,
  "sso_pkce": true,
  "sso_scopes": "email profile offline_access",
  "sso_signups_match_email": true,
  "templates_folder": "data/templates",
  "tmp_folder": "data/tmp",
  "trash_auto_delete_days": null,
  "trash_purge_schedule": "0 5 0 * * *",
  "use_sendmail": false,
  "use_syslog": false,
  "user_attachment_limit": null,
  "user_send_limit": null,
  "web_vault_enabled": true,
  "web_vault_folder": "web-vault/",
  "yubico_client_id": null,
  "yubico_secret_key": null,
  "yubico_server": null
}

Vaultwarden Build Version

testing

Deployment method

Official Container Image

Custom deployment method

No response

Reverse Proxy

nginx

Host/Server Operating System

Linux

Operating System Version

No response

Clients

Web Vault

Client Version

No response

Steps To Reproduce

I have below Zitadel configuration,

SSO_ENABLED: true
SSO_ONLY: true        
SSO_AUTHORITY: "https://a-zitadel-instance"
SSO_SCOPES: "email profile offline_access"
SSO_CLIENT_ID: "abcd"
SSO_CLIENT_SECRET: "supersecret"
SSO_AUDIENCE_TRUSTED: '^abcd$'
SSO_MASTER_PASSWORD_POLICY: false

Below are the panic logs from vaultwarden,

vaultwarden | [2025-08-10 09:27:21.773][panic][ERROR] thread 'rocket-worker-thread' panicked at 'cannot access key "Object" in JSON boolean': /root/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.141/src/value/index.rs:102
vaultwarden | 0: std::backtrace::Backtrace::create
vaultwarden | 1: vaultwarden::init_logging::{{closure}}
vaultwarden | 2: std::panicking::rust_panic_with_hook
vaultwarden | 3: std::panicking::begin_panic_handler::{{closure}}
vaultwarden | 4: std::sys::backtrace::__rust_end_short_backtrace
vaultwarden | 5: __rustc::rust_begin_unwind
vaultwarden | 6: core::panicking::panic_fmt
vaultwarden | 7: ::index_or_insert
vaultwarden | 8: vaultwarden::api::master_password_policy::{{closure}}
vaultwarden | 9: vaultwarden::api::identity::authenticated_response::{{closure}}
vaultwarden | 10: vaultwarden::api::identity::_sso_login::{{closure}}
vaultwarden | 11: vaultwarden::api::identity::login::{{closure}}
vaultwarden | 12: vaultwarden::api::identity::login::into_info::monomorphized_function::{{closure}}
vaultwarden | 13: rocket::server::<impl rocket::rkt::Rocketrocket::phase::Orbit>::route::{{closure}}
vaultwarden | 14: rocket::server::hyper_service_fn::{{closure}}::{{closure}}
vaultwarden | 15: tokio::runtime::task::raw::poll
vaultwarden | 16: tokio::runtime::scheduler::multi_thread::worker::Context::run_task
vaultwarden | 17: tokio::runtime::scheduler::multi_thread::worker::run
vaultwarden | 18: tokio::runtime::task::raw::poll
vaultwarden | 19: std::sys::backtrace::__rust_begin_short_backtrace
vaultwarden | 20: core::ops::function::FnOnce::call_once{{vtable.shim}}
vaultwarden | 21: std::sys::pal::unix::thread::Thread::new::thread_start
vaultwarden | 22:
vaultwarden | 23:
vaultwarden |
vaultwarden | [2025-08-10 09:27:21.778][response][INFO] (login) POST /identity/connect/token => 500 Internal Server Error
Gracefully stopping... (press Ctrl+C again to force)

Expected Result

Should either throw an error or accept the configuration. Followed docs here :: here

Actual Result

A panic with 500 error & web portal in Loading status

Logs

vaultwarden | 0: std::backtrace::Backtrace::create
vaultwarden | 1: vaultwarden::init_logging::{{closure}}
vaultwarden | 2: std::panicking::rust_panic_with_hook
vaultwarden | 3: std::panicking::begin_panic_handler::{{closure}}
vaultwarden | 4: std::sys::backtrace::__rust_end_short_backtrace
vaultwarden | 5: __rustc::rust_begin_unwind
vaultwarden | 6: core::panicking::panic_fmt
vaultwarden | 7: ::index_or_insert
vaultwarden | 8: vaultwarden::api::master_password_policy::{{closure}}
vaultwarden | 9: vaultwarden::api::identity::authenticated_response::{{closure}}
vaultwarden | 10: vaultwarden::api::identity::_sso_login::{{closure}}
vaultwarden | 11: vaultwarden::api::identity::login::{{closure}}
vaultwarden | 12: vaultwarden::api::identity::login::into_info::monomorphized_function::{{closure}}
vaultwarden | 13: rocket::server::<impl rocket::rkt::Rocketrocket::phase::Orbit>::route::{{closure}}
vaultwarden | 14: rocket::server::hyper_service_fn::{{closure}}::{{closure}}
vaultwarden | 15: tokio::runtime::task::raw::poll
vaultwarden | 16: tokio::runtime::scheduler::multi_thread::worker::Context::run_task
vaultwarden | 17: tokio::runtime::scheduler::multi_thread::worker::run
vaultwarden | 18: tokio::runtime::task::raw::poll
vaultwarden | 19: std::sys::backtrace::__rust_begin_short_backtrace
vaultwarden | 20: core::ops::function::FnOnce::call_once{{vtable.shim}}
vaultwarden | 21: std::sys::pal::unix::thread::Thread::new::thread_start
vaultwarden | 22:
vaultwarden | 23:
vaultwarden |
vaultwarden | [2025-08-10 09:27:21.778][response][INFO] (login) POST /identity/connect/token => 500 Internal Server Error
Gracefully stopping... (press Ctrl+C again to force)

Screenshots or Videos

No response

Additional Context

No response

*Originally created by @harshavmb on 8/10/2025* ### Prerequisites - [x] I have searched the existing **Closed _AND_ Open** [Issues](https://github.com/dani-garcia/vaultwarden/issues?q=is%3Aissue%20) **_AND_** [Discussions](https://github.com/dani-garcia/vaultwarden/discussions?discussions_q=) - [x] I have searched and read the [documentation](https://github.com/dani-garcia/vaultwarden/wiki/) ### Vaultwarden Support String ### Your environment (Generated via diagnostics page) * Vaultwarden version: v1.34.3-2a5489a4 * Web-vault version: v2025.7.0 * OS/Arch: linux/aarch64 * Running within a container: true (Base: Debian) * Database type: MySQL * Database version: 10.11.13-MariaDB-0ubuntu0.24.04.1-log * Uses config.json: true * Uses a reverse proxy: true * IP Header check: false (X-Forwarded-For) * Internet access: true * Internet access via a proxy: false * DNS Check: true * Browser/Server Time Check: true * Server/NTP Time Check: true * Domain Configuration Check: true * HTTPS Check: true * Websocket Check: true * HTTP Response Checks: true ### Config & Details (Generated via diagnostics page) <details><summary>Show Config & Details</summary> **Environment settings which are overridden:** DOMAIN, ADMIN_TOKEN, SSO_ENABLED, SSO_ONLY, SSO_CLIENT_ID, SSO_CLIENT_SECRET, SSO_AUTHORITY, SSO_SCOPES, SSO_AUDIENCE_TRUSTED **Config:** ```json { "_duo_akey": null, "_enable_duo": true, "_enable_email_2fa": false, "_enable_smtp": true, "_enable_yubico": true, "_icon_service_csp": "", "_icon_service_url": "", "_ip_header_enabled": true, "_max_note_size": 10000, "_smtp_img_src": "***:", "admin_ratelimit_max_burst": 3, "admin_ratelimit_seconds": 300, "admin_session_lifetime": 20, "admin_token": "***", "allowed_connect_src": "", "allowed_iframe_ancestors": "", "attachments_folder": "data/attachments", "auth_request_purge_schedule": "30 * * * * *", "authenticator_disable_time_drift": false, "data_folder": "data", "database_conn_init": "", "database_max_conns": 10, "database_timeout": 30, "database_url": "*****://****************************************************", "db_connection_retries": 15, "disable_2fa_remember": false, "disable_admin_token": false, "disable_icon_download": false, "domain": "*****://********************", "domain_origin": "*****://********************", "domain_path": "", "domain_set": true, "duo_context_purge_schedule": "30 * * * * *", "duo_host": null, "duo_ikey": null, "duo_skey": null, "duo_use_iframe": false, "email_2fa_auto_fallback": false, "email_2fa_enforce_on_verified_invite": false, "email_attempts_limit": 3, "email_change_allowed": true, "email_expiration_time": 600, "email_token_size": 6, "emergency_access_allowed": true, "emergency_notification_reminder_schedule": "0 3 * * * *", "emergency_request_timeout_schedule": "0 7 * * * *", "enable_db_wal": true, "enable_websocket": true, "enforce_single_org_with_reset_pw_policy": false, "event_cleanup_schedule": "0 10 0 * * *", "events_days_retain": null, "experimental_client_feature_flags": "", "extended_logging": true, "helo_name": null, "hibp_api_key": null, "http_request_block_non_global_ips": true, "http_request_block_regex": null, "icon_blacklist_non_global_ips": true, "icon_blacklist_regex": null, "icon_cache_folder": "data/icon_cache", "icon_cache_negttl": 259200, "icon_cache_ttl": 2592000, "icon_download_timeout": 10, "icon_redirect_code": 302, "icon_service": "internal", "incomplete_2fa_schedule": "30 * * * * *", "incomplete_2fa_time_limit": 3, "increase_note_size_limit": false, "invitation_expiration_hours": 120, "invitation_org_name": "Vaultwarden", "invitations_allowed": true, "ip_header": "X-Real-IP", "job_poll_interval_ms": 30000, "log_file": null, "log_level": "info", "log_timestamp_format": "%Y-%m-%d %H:%M:%S.%3f", "login_ratelimit_max_burst": 10, "login_ratelimit_seconds": 60, "org_attachment_limit": null, "org_creation_users": "", "org_events_enabled": false, "org_groups_enabled": false, "password_hints_allowed": true, "password_iterations": 600000, "purge_incomplete_sso_nonce": "0 20 0 * * *", "push_enabled": false, "push_identity_uri": "https://identity.bitwarden.com", "push_installation_id": "***", "push_installation_key": "***", "push_relay_uri": "https://push.bitwarden.com", "reload_templates": false, "require_device_email": false, "rsa_key_filename": "data/rsa_key", "send_purge_schedule": "0 5 * * * *", "sendmail_command": null, "sends_allowed": true, "sends_folder": "data/sends", "show_password_hint": false, "signups_allowed": true, "signups_domains_whitelist": "", "signups_verify": false, "signups_verify_resend_limit": 6, "signups_verify_resend_time": 3600, "smtp_accept_invalid_certs": false, "smtp_accept_invalid_hostnames": false, "smtp_auth_mechanism": null, "smtp_debug": false, "smtp_embed_images": true, "smtp_explicit_tls": null, "smtp_from": "********************", "smtp_from_name": "Vaultwarden Admin", "smtp_host": "*********************", "smtp_password": "***", "smtp_port": 587, "smtp_security": "starttls", "smtp_ssl": null, "smtp_timeout": 15, "smtp_username": "********************", "sso_allow_unknown_email_verification": false, "sso_audience_trusted": "^\\d{18}$", "sso_auth_only_not_session": false, "sso_authority": "*****://*******************************", "sso_authorize_extra_params": "", "sso_callback_path": "*****://*************************************************", "sso_client_cache_expiration": 0, "sso_client_id": "******************", "sso_client_secret": "***", "sso_debug_tokens": false, "sso_enabled": true, "sso_master_password_policy": false, "sso_only": true, "sso_pkce": true, "sso_scopes": "email profile offline_access", "sso_signups_match_email": true, "templates_folder": "data/templates", "tmp_folder": "data/tmp", "trash_auto_delete_days": null, "trash_purge_schedule": "0 5 0 * * *", "use_sendmail": false, "use_syslog": false, "user_attachment_limit": null, "user_send_limit": null, "web_vault_enabled": true, "web_vault_folder": "web-vault/", "yubico_client_id": null, "yubico_secret_key": null, "yubico_server": null } ``` </details> ### Vaultwarden Build Version testing ### Deployment method Official Container Image ### Custom deployment method _No response_ ### Reverse Proxy nginx ### Host/Server Operating System Linux ### Operating System Version _No response_ ### Clients Web Vault ### Client Version _No response_ ### Steps To Reproduce I have below Zitadel configuration, ``` SSO_ENABLED: true SSO_ONLY: true SSO_AUTHORITY: "https://a-zitadel-instance" SSO_SCOPES: "email profile offline_access" SSO_CLIENT_ID: "abcd" SSO_CLIENT_SECRET: "supersecret" SSO_AUDIENCE_TRUSTED: '^abcd$' SSO_MASTER_PASSWORD_POLICY: false ``` Below are the panic logs from vaultwarden, > vaultwarden | [2025-08-10 09:27:21.773][panic][ERROR] thread 'rocket-worker-thread' panicked at 'cannot access key "Object" in JSON boolean': /root/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.141/src/value/index.rs:102 vaultwarden | 0: std::backtrace::Backtrace::create vaultwarden | 1: vaultwarden::init_logging::{{closure}} vaultwarden | 2: std::panicking::rust_panic_with_hook vaultwarden | 3: std::panicking::begin_panic_handler::{{closure}} vaultwarden | 4: std::sys::backtrace::__rust_end_short_backtrace vaultwarden | 5: __rustc::rust_begin_unwind vaultwarden | 6: core::panicking::panic_fmt vaultwarden | 7: <str as serde_json::value::index::Index>::index_or_insert vaultwarden | 8: vaultwarden::api::master_password_policy::{{closure}} vaultwarden | 9: vaultwarden::api::identity::authenticated_response::{{closure}} vaultwarden | 10: vaultwarden::api::identity::_sso_login::{{closure}} vaultwarden | 11: vaultwarden::api::identity::login::{{closure}} vaultwarden | 12: vaultwarden::api::identity::login::into_info::monomorphized_function::{{closure}} vaultwarden | 13: rocket::server::<impl rocket::rkt::Rocket<rocket::phase::Orbit>>::route::{{closure}} vaultwarden | 14: rocket::server::hyper_service_fn::{{closure}}::{{closure}} vaultwarden | 15: tokio::runtime::task::raw::poll vaultwarden | 16: tokio::runtime::scheduler::multi_thread::worker::Context::run_task vaultwarden | 17: tokio::runtime::scheduler::multi_thread::worker::run vaultwarden | 18: tokio::runtime::task::raw::poll vaultwarden | 19: std::sys::backtrace::__rust_begin_short_backtrace vaultwarden | 20: core::ops::function::FnOnce::call_once{{vtable.shim}} vaultwarden | 21: std::sys::pal::unix::thread::Thread::new::thread_start vaultwarden | 22: <unknown> vaultwarden | 23: <unknown> vaultwarden | vaultwarden | [2025-08-10 09:27:21.778][response][INFO] (login) POST /identity/connect/token => 500 Internal Server Error Gracefully stopping... (press Ctrl+C again to force) ### Expected Result Should either throw an error or accept the configuration. Followed docs here :: [here](https://github.com/dani-garcia/vaultwarden/wiki/Enabling-SSO-support-using-OpenId-Connect) ### Actual Result A panic with 500 error & web portal in `Loading` status ### Logs ```vaultwarden | [2025-08-10 09:27:21.773][panic][ERROR] thread 'rocket-worker-thread' panicked at 'cannot access key "Object" in JSON boolean': /root/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.141/src/value/index.rs:102 vaultwarden | 0: std::backtrace::Backtrace::create vaultwarden | 1: vaultwarden::init_logging::{{closure}} vaultwarden | 2: std::panicking::rust_panic_with_hook vaultwarden | 3: std::panicking::begin_panic_handler::{{closure}} vaultwarden | 4: std::sys::backtrace::__rust_end_short_backtrace vaultwarden | 5: __rustc::rust_begin_unwind vaultwarden | 6: core::panicking::panic_fmt vaultwarden | 7: ::index_or_insert vaultwarden | 8: vaultwarden::api::master_password_policy::{{closure}} vaultwarden | 9: vaultwarden::api::identity::authenticated_response::{{closure}} vaultwarden | 10: vaultwarden::api::identity::_sso_login::{{closure}} vaultwarden | 11: vaultwarden::api::identity::login::{{closure}} vaultwarden | 12: vaultwarden::api::identity::login::into_info::monomorphized_function::{{closure}} vaultwarden | 13: rocket::server::<impl rocket::rkt::Rocketrocket::phase::Orbit>::route::{{closure}} vaultwarden | 14: rocket::server::hyper_service_fn::{{closure}}::{{closure}} vaultwarden | 15: tokio::runtime::task::raw::poll vaultwarden | 16: tokio::runtime::scheduler::multi_thread::worker::Context::run_task vaultwarden | 17: tokio::runtime::scheduler::multi_thread::worker::run vaultwarden | 18: tokio::runtime::task::raw::poll vaultwarden | 19: std::sys::backtrace::__rust_begin_short_backtrace vaultwarden | 20: core::ops::function::FnOnce::call_once{{vtable.shim}} vaultwarden | 21: std::sys::pal::unix::thread::Thread::new::thread_start vaultwarden | 22: vaultwarden | 23: vaultwarden | vaultwarden | [2025-08-10 09:27:21.778][response][INFO] (login) POST /identity/connect/token => 500 Internal Server Error Gracefully stopping... (press Ctrl+C again to force) ``` ### Screenshots or Videos _No response_ ### Additional Context _No response_

MrUnknownDE closed this issue

2026-04-05 21:12:30 +02:00

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Reference: github/vaultwarden#420