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CVE-2026-35595

8.3 · HIGH

Vikunja is an open-source self-hosted task management platform.

Published Apr 10, 2026CWE-269EPSS 0.46%

Overview

CVE-2026-35595 is a high-severity vulnerability. It was published on April 10, 2026 and has a CVSS 3.1 base score of 8.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CanUpdate check at pkg/models/project_permissions.go:139-148 only requires CanWrite on the new parent project when changing parent_project_id. However, Vikunja's permission model uses a recursive CTE that walks up the project hierarchy to compute permissions. Moving a project under a different parent changes the permission inheritance chain. When a user has inherited Write access (from a parent project share) and reparents the child project under their own project tree, the CTE resolves their ownership of the new parent as Admin (permission level 2) on the moved project. This vulnerability is fixed in 2.3.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/go-vikunja/vikunja/commit/c03d682f48aff890eeb3c8b41d38226069722827GitHubgithub.com/go-vikunja/vikunja/pull/2583GitHubgithub.com/go-vikunja/vikunja/releases/tag/v2.3.0GitHubgithub.com/go-vikunja/vikunja/security/advisories/GHSA-2vq4-854f-5c72

How CyberStrike helps

Frequently asked questions

What is CVE-2026-35595?

CVE-2026-35595 is a high-severity vulnerability. It was published on April 10, 2026 and has a CVSS 3.1 base score of 8.3 (HIGH).

How severe is CVE-2026-35595?

This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-35595?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-35595?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-35595 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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