How broadly exploitable is this vulnerability?

Exploitation is limited to users of the Vikunja Desktop Electron client, but within that scope, any attacker who can add or edit content in a shared project can craft a link that, when clicked, leads to remote code execution on another user's machine.

Does an attacker need elevated access or admin privileges?

No. The attacker only needs standard user-level access within the same Vikunja instance (for example, as a collaborator on a shared project) and the ability to host a malicious web page. No admin role or special permissions in Vikunja are required.

What is the safest general fix pattern for developers?

The most robust pattern is to disable `nodeIntegration` for all windows that might ever render user-influenced or remote content, enable `contextIsolation`, and restrict navigations to a strict set of trusted origins. External URLs should be opened in the system browser rather than inside a privileged Electron window.

Severity:

HIGH RISK

(8.8)

Remote Code Execution via Insecure Electron Configuration (CWE-94) in Vikunja Desktop

CVE-2026-33336

Published:

Mar 24, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Remote Code Execution via Insecure Electron Configuration

CWE:

CWE-94

Impact:

Remote Code Execution on Desktop Clients

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Remote Code Execution via Insecure Electron Configuration

CWE:

CWE-94

Impact:

Remote Code Execution on Desktop Clients

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

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Remote Code Execution via Insecure Electron Configuration (CWE-94) in Vikunja Desktop

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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