Is this vulnerability remotely exploitable?

Yes, in the sense that an authenticated user can exploit it over the network via Vikunja's web UI or API. However, it does not allow unauthenticated access; the attacker must already have a valid account with certain permissions.

What level of access does an attacker need to exploit this?

The attacker needs an account with inherited Write access to a project (via a parent project share) and stronger permissions (such as Admin or owner) on another project tree under their control. With these conditions, they can move the shared project into their own hierarchy and gain elevated rights.

What is the safest general fix pattern for this class of issue?

Treat hierarchy modifications like sensitive administrative actions. Require high-level permissions on the resource being moved (often Admin or equivalent), not just on the parent container. Ensure permission checks reflect the

Severity:

HIGH RISK

(8.3)

Improper Privilege Management (CWE-269) in Vikunja Project Reparenting Logic

CVE-2026-35595

Published:

Apr 10, 2026

Status:

Received

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

CRITICAL RISK

CRITICAL

(9.8)

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

Remote Code Execution on the Router

April 12, 2026

CWE-77;CWE-78

CRITICAL RISK

CRITICAL

(9.8)

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

Remote Code Execution on the Router

April 12, 2026

Vulnerability Type

Category:

Improper Privilege Management

CWE:

CWE-269

Impact:

Privilege Escalation to Administrative Control on Projects

Severity:

HIGH RISK

(8.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Improper Privilege Management

CWE:

CWE-269

Impact:

Privilege Escalation to Administrative Control on Projects

Severity:

HIGH RISK

(8.3)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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Made with Love in San Francisco

355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Improper Privilege Management (CWE-269) in Vikunja Project Reparenting Logic

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

CRITICAL RISK

CRITICAL

(9.8)

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

CRITICAL RISK

CRITICAL

(9.8)

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

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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