What is CVE-2026-33676?

CVE-2026-33676 is a medium-severity vulnerability in Go-vikunja Vikunja, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-03-24.

How severe is CVE-2026-33676?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Go-vikunja Vikunja

CVE-2026-33676

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the `related_tasks` field with full task objects for all related tasks without checking whether the re…

Vulnerability class: Broken Access Control

EPSS: 0.000 (3.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Go-vikunja Vikunja — versions < 2.2.1

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8cmm-j6c4-rr8v (x_refsource_CONFIRM)
https://github.com/go-vikunja/vikunja/pull/2449 (x_refsource_MISC)
https://github.com/go-vikunja/vikunja/commit/833f2aec006ac0f6643c41872e45dd79220b9174 (x_refsource_MISC)
https://vikunja.io/changelog/vikunja-v2.2.2-was-released (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33676?: CVE-2026-33676 is a medium-severity vulnerability in Go-vikunja Vikunja, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-03-24.
How severe is CVE-2026-33676?: Medium severity. CVSS v3 base score is 6.5 out of 10.