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CVE-2026-34727

7.4 · HIGH

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

Published Apr 10, 2026CWE-287EPSS 0.42%

Overview

CVE-2026-34727 is a high-severity vulnerability. It was published on April 10, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the OIDC callback handler issues a full JWT token without checking whether the matched user has TOTP two-factor authentication enabled. When a local user with TOTP enrolled is matched via the OIDC email fallback mechanism, the second factor is completely skipped. 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/security/advisories/GHSA-8jvc-mcx6-r4cgGitHubgithub.com/go-vikunja/vikunja/security/advisories/GHSA-8jvc-mcx6-r4cg

How CyberStrike helps

Frequently asked questions

What is CVE-2026-34727?

CVE-2026-34727 is a high-severity vulnerability. It was published on April 10, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-34727?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-34727?

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-2026-34727?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-34727 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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