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-2026-33335

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-2026-33700 Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Project Link Share Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DELETE /api/v1/projects/:project/shares/:share endpoint does not verify that the link share belongs to the project specified in the URL. An attacker with admin access to any project can delete link shares...

CVE-2026-33700

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DELETE /api/v1/projects/:project/shares/:share endpoint does not verify that the link share belongs to the project specified in the URL. An attacker with admin access to any project can delete link shares...

CVE-2026-33700 Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Project Link Share Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DELETE /api/v1/projects/:project/shares/:share endpoint does not verify that the link share belongs to the project specified in the URL. An attacker with admin access to any project can delete link shares...

CVE-2026-33700

Summary: Vikunja before 2.2.1 had an IDOR on link share deletion. The vulnerable endpoint is DELETE /api/v1/projects/:project/shares/:share, which did not verify that the link share belongs to the project in the URL. An admin of any project could delete link shares from other projects by supplyin...

CVE-2026-33700 Vikunja has a Link Share Delete IDOR — Missing Project Ownership Check Allows Cross-Project Link Share Deletion

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DELETE /api/v1/projects/:project/shares/:share endpoint does not verify that the link share belongs to the project specified in the URL. An attacker with admin access to any project can delete link shares...

CVE-2026-33680 Vikunja Vulnerable to Link Share Hash Disclosure via ReadAll Endpoint Enables Permission Escalation

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-2026-33680 Vikunja Vulnerable to Link Share Hash Disclosure via ReadAll Endpoint Enables Permission Escalation

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-2026-33680 Vikunja Vulnerable to Link Share Hash Disclosure via ReadAll Endpoint Enables Permission Escalation

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-2026-33680

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-2026-33680

Vikunja before version 2.2.2 is affected: the LinkSharing.ReadAll() API lets link-share users list all shares for a project, exposing secret hashes. Although LinkSharing.CanRead() blocks reading individual shares via ReadOne, the ReadAllWeb handler bypasses this check by never calling CanRead(), ...

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-2026-33679 Vikunja has SSRF via OpenID Connect Avatar Download that Bypasses Webhook SSRF Protections

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-2026-33679 Vikunja has SSRF via OpenID Connect Avatar Download that Bypasses Webhook SSRF Protections

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-2026-33679

Vikunja Open Source (self-hosted task manager) contains an SSRF vulnerability in the avatar download path. Before version 2.2.1, DownloadImage (pkg/utils/avatar.go) uses a bare http.Client with no SSRF protection when fetching the user’s OpenID Connect picture URL, enabling an attacker-controlled...

CVE-2026-33679 Vikunja has SSRF via OpenID Connect Avatar Download that Bypasses Webhook SSRF Protections

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-2026-33678 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 ...