What is CVE-2026-33680?

CVE-2026-33680 is a high-severity vulnerability in Go-vikunja Vikunja, classified under Improper Authorization. CVSS score: 7.5/10. Published 2026-03-24.

How severe is CVE-2026-33680?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Go-vikunja Vikunja

CVE-2026-33680

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.2, the `LinkSharing.ReadAll()` method allows link share authenticated users to list all link shares for a project, including their secret hashes. While `L…

EPSS: 0.000 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Go-vikunja Vikunja — versions < 2.2.2

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8hp8-9fhr-pfm9 (x_refsource_CONFIRM)
https://github.com/go-vikunja/vikunja/commit/9efe1fadba817923c7c7f5953c3e9e9c5683bbf3 (x_refsource_MISC)
https://vikunja.io/changelog/vikunja-v2.2.2-was-released (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33680?: CVE-2026-33680 is a high-severity vulnerability in Go-vikunja Vikunja, classified under Improper Authorization. CVSS score: 7.5/10. Published 2026-03-24.
How severe is CVE-2026-33680?: High severity. CVSS v3 base score is 7.5 out of 10.