Unable to upload attachment using web client #2033

New Issue

MrUnknownDE · 2026-04-06T02:49:47+02:00

MrUnknownDE commented

2026-04-06 02:49:47 +02:00

Originally created by @tmeckel on 7/31/2022

Subject of the issue

I'm unable to upload attachments using the web client (web vault). Error message in WebBrowser

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>400 Bad Request</title> </head> <body align="center"> <div role="main" align="center"> <h1>400: Bad Request</h1> <p>The request could not be understood by the server due to malformed syntax.</p> <hr /> </div> <div role="contentinfo" align="center"> <small>Rocket</small> </div> </body> </html>

In the log file the following is printed:

Jul 30 19:50:33 rt02 bitwarden_rs[18418]:    >> Data guard `Form < UploadData < '_ > >` failed: Errors([Error { name: Some("data"), value: None,
Jul 30 19:50:33 rt02 bitwarden_rs[18418]:    >> No 400 catcher registered. Using Rocket default.

Deployment environment

Your environment (Generated via diagnostics page)

Vaultwarden version: v1.25.2
Web-vault version: v2022.6.2
Running within Docker: false (Base: Debian)
Environment settings overridden: true
Uses a reverse proxy: true
IP Header check: true (X-Real-IP)
Internet access: true
Internet access via a proxy: false
DNS Check: true
Time Check: true
Domain Configuration Check: true
HTTPS Check: true
Database type: SQLite
Database version: 3.35.4
Clients used:
Reverse proxy and version:
Other relevant information:

Config (Generated via diagnostics page)

Show Running Config

Environment settings which are overridden: DOMAIN, ADMIN_TOKEN, DISABLE_ADMIN_TOKEN

{
  "_duo_akey": null,
  "_enable_duo": false,
  "_enable_email_2fa": false,
  "_enable_smtp": true,
  "_enable_yubico": true,
  "_icon_service_csp": "",
  "_icon_service_url": "",
  "_ip_header_enabled": true,
  "admin_ratelimit_max_burst": 3,
  "admin_ratelimit_seconds": 300,
  "admin_token": "***",
  "allowed_iframe_ancestors": "",
  "attachments_folder": "/var/lib/bitwarden_rs/attachments",
  "authenticator_disable_time_drift": true,
  "data_folder": "/var/lib/bitwarden_rs",
  "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_host": null,
  "duo_ikey": null,
  "duo_skey": null,
  "email_attempts_limit": 3,
  "email_expiration_time": 600,
  "email_token_size": 6,
  "emergency_access_allowed": true,
  "emergency_notification_reminder_schedule": "0 5 * * * *",
  "emergency_request_timeout_schedule": "0 5 * * * *",
  "enable_db_wal": true,
  "extended_logging": true,
  "helo_name": null,
  "hibp_api_key": null,
  "icon_blacklist_non_global_ips": true,
  "icon_blacklist_regex": null,
  "icon_cache_folder": "/var/lib/bitwarden_rs/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,
  "invitation_org_name": "*** Bitwarden",
  "invitations_allowed": true,
  "ip_header": "X-Real-IP",
  "job_poll_interval_ms": 30000,
  "log_file": "/var/log/bitwarden_rs",
  "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": "",
  "password_hints_allowed": true,
  "password_iterations": 100000,
  "reload_templates": false,
  "require_device_email": false,
  "rsa_key_filename": "/var/lib/bitwarden_rs/rsa_key",
  "send_purge_schedule": "0 5 * * * *",
  "sends_allowed": true,
  "sends_folder": "/var/lib/bitwarden_rs/sends",
  "show_password_hint": true,
  "signups_allowed": false,
  "signups_domains_whitelist": "",
  "signups_verify": true,
  "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_explicit_tls": false,
  "smtp_from": "*****************@******.***",
  "smtp_from_name": "**** Password Manager",
  "smtp_host": "****.******.***",
  "smtp_password": null,
  "smtp_port": 25,
  "smtp_security": "off",
  "smtp_ssl": false,
  "smtp_timeout": 15,
  "smtp_username": null,
  "templates_folder": "/var/lib/bitwarden_rs/templates",
  "tmp_folder": "/var/lib/bitwarden_rs/tmp",
  "trash_auto_delete_days": null,
  "trash_purge_schedule": "0 5 0 * * *",
  "use_syslog": false,
  "user_attachment_limit": null,
  "web_vault_enabled": true,
  "web_vault_folder": "/usr/share/bitwarden_rs/web-vault/",
  "websocket_address": "0.0.0.0",
  "websocket_enabled": true,
  "websocket_port": 3012,
  "yubico_client_id": null,
  "yubico_secret_key": null,
  "yubico_server": null
}

Steps to reproduce

Open arbitrary vault item
Select Edit
Scroll to Attachments
Add (small 15kb) Attachment
Click Save

Expected behaviour

Attachment added to vault item

Actual behaviour

Error shown as described above

Troubleshooting data

see above

*Originally created by @tmeckel on 7/31/2022*   ### Subject of the issue I'm unable to upload attachments using the web client (web vault). Error message in WebBrowser ```html <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>400 Bad Request</title> </head> <body align="center"> <div role="main" align="center"> <h1>400: Bad Request</h1> <p>The request could not be understood by the server due to malformed syntax.</p> <hr /> </div> <div role="contentinfo" align="center"> <small>Rocket</small> </div> </body> </html> ``` ![image](https://user-images.githubusercontent.com/14177833/182027032-e74839be-e77d-404a-9c61-1541134ecd55.png) In the log file the following is printed: ```text Jul 30 19:50:33 rt02 bitwarden_rs[18418]: >> Data guard `Form < UploadData < '_ > >` failed: Errors([Error { name: Some("data"), value: None, Jul 30 19:50:33 rt02 bitwarden_rs[18418]: >> No 400 catcher registered. Using Rocket default. ``` ### Deployment environment  ### Your environment (Generated via diagnostics page) * Vaultwarden version: v1.25.2 * Web-vault version: v2022.6.2 * Running within Docker: false (Base: Debian) * Environment settings overridden: true * Uses a reverse proxy: true * IP Header check: true (X-Real-IP) * Internet access: true * Internet access via a proxy: false * DNS Check: true * Time Check: true * Domain Configuration Check: true * HTTPS Check: true * Database type: SQLite * Database version: 3.35.4 * Clients used: * Reverse proxy and version: * Other relevant information: ### Config (Generated via diagnostics page) <details><summary>Show Running Config</summary> **Environment settings which are overridden:** DOMAIN, ADMIN_TOKEN, DISABLE_ADMIN_TOKEN ```json { "_duo_akey": null, "_enable_duo": false, "_enable_email_2fa": false, "_enable_smtp": true, "_enable_yubico": true, "_icon_service_csp": "", "_icon_service_url": "", "_ip_header_enabled": true, "admin_ratelimit_max_burst": 3, "admin_ratelimit_seconds": 300, "admin_token": "***", "allowed_iframe_ancestors": "", "attachments_folder": "/var/lib/bitwarden_rs/attachments", "authenticator_disable_time_drift": true, "data_folder": "/var/lib/bitwarden_rs", "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_host": null, "duo_ikey": null, "duo_skey": null, "email_attempts_limit": 3, "email_expiration_time": 600, "email_token_size": 6, "emergency_access_allowed": true, "emergency_notification_reminder_schedule": "0 5 * * * *", "emergency_request_timeout_schedule": "0 5 * * * *", "enable_db_wal": true, "extended_logging": true, "helo_name": null, "hibp_api_key": null, "icon_blacklist_non_global_ips": true, "icon_blacklist_regex": null, "icon_cache_folder": "/var/lib/bitwarden_rs/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, "invitation_org_name": "*** Bitwarden", "invitations_allowed": true, "ip_header": "X-Real-IP", "job_poll_interval_ms": 30000, "log_file": "/var/log/bitwarden_rs", "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": "", "password_hints_allowed": true, "password_iterations": 100000, "reload_templates": false, "require_device_email": false, "rsa_key_filename": "/var/lib/bitwarden_rs/rsa_key", "send_purge_schedule": "0 5 * * * *", "sends_allowed": true, "sends_folder": "/var/lib/bitwarden_rs/sends", "show_password_hint": true, "signups_allowed": false, "signups_domains_whitelist": "", "signups_verify": true, "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_explicit_tls": false, "smtp_from": "*****************@******.***", "smtp_from_name": "**** Password Manager", "smtp_host": "****.******.***", "smtp_password": null, "smtp_port": 25, "smtp_security": "off", "smtp_ssl": false, "smtp_timeout": 15, "smtp_username": null, "templates_folder": "/var/lib/bitwarden_rs/templates", "tmp_folder": "/var/lib/bitwarden_rs/tmp", "trash_auto_delete_days": null, "trash_purge_schedule": "0 5 0 * * *", "use_syslog": false, "user_attachment_limit": null, "web_vault_enabled": true, "web_vault_folder": "/usr/share/bitwarden_rs/web-vault/", "websocket_address": "0.0.0.0", "websocket_enabled": true, "websocket_port": 3012, "yubico_client_id": null, "yubico_secret_key": null, "yubico_server": null } ``` </details> ### Steps to reproduce  1. Open arbitrary vault item 2. Select `Edit` 3. Scroll to `Attachments` 4. Add (small 15kb) `Attachment` 5. Click `Save` ### Expected behaviour  Attachment added to vault item ### Actual behaviour  Error shown as described above ### Troubleshooting data  see above

MrUnknownDE closed this issue

2026-04-06 02:49:47 +02:00

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Reference: github/vaultwarden#2033