CVE-2026-33313

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.0, an authenticated user can read any task comment by ID, regardless of whether they have access to the task the comment belongs to, by substituting the task ID in the API URL with a task they do have access to...

CVE-2026-33676

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-2026-33335

Vikunja is an open-source self-hosted task management platform. Starting in version 0.21.0 and prior to version 2.2.0, the Vikunja Desktop Electron wrapper passes URLs from window.open calls directly to shell.openExternal without any validation or protocol allowlisting. An attacker who can place ...

CVE-2026-33473

Vikunja is an open-source self-hosted task management platform. Starting in version 0.13 and prior to version 2.2.1, any user that has enabled 2FA can have their TOTP reused during the standard 30 second validity window. Version 2.2.1 patches the issue...

CVE-2026-33679

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DownloadImage function in pkg/utils/avatar.go uses a bare http.Client with no SSRF protection when downloading user avatar images from the OpenID Connect picture claim URL. An attacker who controls their...

CVE-2026-33334

Vikunja is an open-source self-hosted task management platform. Starting in version 0.21.0 and prior to version 2.2.0, the Vikunja Desktop Electron wrapper enables nodeIntegration in the renderer process without contextIsolation or sandbox. This means any cross-site scripting XSS vulnerability in...

CVE-2026-33336

Vikunja is an open-source self-hosted task management platform. Starting in version 0.21.0 and prior to version 2.2.0, the Vikunja Desktop Electron wrapper enables nodeIntegration in the main BrowserWindow and does not restrict same-window navigations. An attacker who can place a link in...

CVE-2026-33675

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-2026-33677

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-2026-33312

Vikunja is an open-source self-hosted task management platform. Starting in version 0.20.2 and prior to version 2.2.0, the DELETE /api/v1/projects/:project/background endpoint checks CanRead permission instead of CanUpdate, allowing any user with read-only access to a project to permanently delet...

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-2026-33680

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.2, the LinkSharing.ReadAll method allows link share authenticated users to list all link shares for a project, including their secret hashes. While LinkSharing.CanRead correctly blocks link share users from readi...

CVE-2026-33316

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.0, a flaw in Vikunja’s password reset logic allows disabled users to regain access to their accounts. The ResetPassword function sets the user’s status to StatusActive after a successful password reset without...

CVE-2026-33668

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...

EUVD-2026-14925

Vikjuna: Link Share Hash Disclosure via ReadAll Endpoint Enables Permission Escalation...

Improper Authorization

Overview Affected versions of this package are vulnerable to Improper Authorization in the ReadAllWeb process. An attacker can gain unauthorized access to secret hashes for all link shares within a project by authenticating with a read-only link share and invoking the endpoint that lists all...

EUVD-2026-14923

Vikjuna Bypasses Webhook SSRF Protections During OpenID Connect Avatar Download...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the DownloadImage function when processing user avatar URLs from OpenID Connect authentication. An attacker can cause the server to make arbitrary HTTP requests to internal or cloud metadata endpoint...

GHSA-G9XJ-752Q-XH63 Vikjuna Bypasses Webhook SSRF Protections During OpenID Connect Avatar Download

Summary The DownloadImage function in pkg/utils/avatar.go uses a bare http.Client with no SSRF protection when downloading user avatar images from the OpenID Connect picture claim URL. An attacker who controls their OIDC profile picture URL can force the Vikunja server to make HTTP GET requests t...

Vikjuna Bypasses Webhook SSRF Protections During OpenID Connect Avatar Download

Summary The DownloadImage function in pkg/utils/avatar.go uses a bare http.Client with no SSRF protection when downloading user avatar images from the OpenID Connect picture claim URL. An attacker who controls their OIDC profile picture URL can force the Vikunja server to make HTTP GET requests t...