CVE-2026-33678

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, TaskAttachment.ReadOne queries attachments by ID only WHERE id = ?, ignoring the task ID from the URL path. The permission check in CanRead validates access to the task specified in the URL, but ReadOne loads ...

CVE-2026-33678

Vikunja prior to 2.2.1 suffers an IDOR: TaskAttachment.ReadOne() queries by attachment ID only and ignores the URL task_id, allowing any authenticated user to access or delete attachments across projects by supplying their own task_id. The read path validates the URL task, but ReadOne() loads the...

CVE-2026-33678 Vikunja has IDOR in Task Attachment ReadOne Allows Cross-Project File Access and Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, TaskAttachment.ReadOne queries attachments by ID only WHERE id = ?, ignoring the task ID from the URL path. The permission check in CanRead validates access to the task specified in the URL, but ReadOne loads ...

CVE-2026-33678 Vikunja has IDOR in Task Attachment ReadOne Allows Cross-Project File Access and Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, TaskAttachment.ReadOne queries attachments by ID only WHERE id = ?, ignoring the task ID from the URL path. The permission check in CanRead validates access to the task specified in the URL, but ReadOne loads ...

CVE-2026-33677 Webhook BasicAuth Credentials Exposed to Read-Only Project Collaborators via API

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the GET /api/v1/projects/:project/webhooks endpoint returns webhook BasicAuth credentials basicauthuser and basicauthpassword in plaintext to any user with read access to the project. While the existing code...

CVE-2026-33677

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the GET /api/v1/projects/:project/webhooks endpoint returns webhook BasicAuth credentials basicauthuser and basicauthpassword in plaintext to any user with read access to the project. While the existing code...

CVE-2026-33677 Webhook BasicAuth Credentials Exposed to Read-Only Project Collaborators via API

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the GET /api/v1/projects/:project/webhooks endpoint returns webhook BasicAuth credentials basicauthuser and basicauthpassword in plaintext to any user with read access to the project. While the existing code...

CVE-2026-33677

Vikunja (self-hosted task management) prior to version 2.2.1 exposes webhook BasicAuth credentials (basic_auth_user, basic_auth_password) via GET /api/v1/projects/:project/webhooks to any user with read access. The code already masks the HMAC secret, but the BasicAuth fields were not masked after...

CVE-2026-33677 Webhook BasicAuth Credentials Exposed to Read-Only Project Collaborators via API

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the GET /api/v1/projects/:project/webhooks endpoint returns webhook BasicAuth credentials basicauthuser and basicauthpassword in plaintext to any user with read access to the project. While the existing code...

CVE-2026-33676 Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the relatedtasks field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. A...

CVE-2026-33676 Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the relatedtasks field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. A...

CVE-2026-33676 Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the relatedtasks field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. A...

CVE-2026-33676

Summary: Vikunja, an open-source self-hosted task manager, has a cross-project information disclosure in its API. Before 2.2.1, when returning tasks, the API fills the related_tasks field with full task objects for all related tasks without verifying the requester’s read permission on those proje...

CVE-2026-33675

Vikunja prior to version 2.2.1 is affected by an SSRF in the migration path: the DownloadFile and DownloadFileWithHeaders helpers in pkg/modules/migration/helpers.go take file attachment URLs from Todoist/Trello migrations and are invoked with no SSRF protection. An attacker can force the Vikunja...

CVE-2026-33675 Vikunja has SSRF via Todoist/Trello Migration File Attachment URLs that Allows Reading Internal Network Resources

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the migration helper functions DownloadFile and DownloadFileWithHeaders in pkg/modules/migration/helpers.go make arbitrary HTTP GET requests without any SSRF protection. When a user triggers a Todoist or Trell...

CVE-2026-33675 Vikunja has SSRF via Todoist/Trello Migration File Attachment URLs that Allows Reading Internal Network Resources

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the migration helper functions DownloadFile and DownloadFileWithHeaders in pkg/modules/migration/helpers.go make arbitrary HTTP GET requests without any SSRF protection. When a user triggers a Todoist or Trell...

CVE-2026-33675 Vikunja has SSRF via Todoist/Trello Migration File Attachment URLs that Allows Reading Internal Network Resources

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the migration helper functions DownloadFile and DownloadFileWithHeaders in pkg/modules/migration/helpers.go make arbitrary HTTP GET requests without any SSRF protection. When a user triggers a Todoist or Trell...

CVE-2026-33668

Vikunja vulnerability (CVE-2026-33668) affects versions prior to 2.2.1. When a user is disabled or locked, status checks are enforced only on local login and JWT refresh paths; API tokens, CalDAV basic auth, and OpenID Connect do not verify user status, allowing disabled/locked users to continue ...

CVE-2026-33668 Vikunja Allows Disabled/Locked User Accounts to Authenticate via API Tokens, CalDAV, and OpenID Connect

Vikunja is an open-source self-hosted task management platform. Starting in version 0.18.0 and prior to version 2.2.1, when a user account is disabled or locked, the status check is only enforced on the local login and JWT token refresh paths. Three other authentication paths — API tokens, CalDAV...

CVE-2026-33668 Vikunja Allows Disabled/Locked User Accounts to Authenticate via API Tokens, CalDAV, and OpenID Connect

Vikunja is an open-source self-hosted task management platform. Starting in version 0.18.0 and prior to version 2.2.1, when a user account is disabled or locked, the status check is only enforced on the local login and JWT token refresh paths. Three other authentication paths — API tokens, CalDAV...