CVE-2026-33335
Published: Mar 24, 2026
Modified: Mar 25, 2026
Description
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 a link with `target="_blank"` (or that otherwise triggers `window.open`) in user-generated content can cause the victim's operating system to open arbitrary URI schemes, invoking local applications, opening local files, or triggering custom protocol handlers. Version 2.2.0 patches the issue.
| Vendor | Product | Versions |
|---|---|---|
go-vikunja | vikunja | affected >= 0.21.0, < 2.2.0 |
Weaknesses (CWE)
References
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