What is CVE-2026-35598?

CVE-2026-35598 is a medium-severity vulnerability in Go-vikunja Vikunja, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-04-10.

How severe is CVE-2026-35598?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Go-vikunja Vikunja

CVE-2026-35598

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV GetResource and GetResourcesByList methods fetch tasks by UID from the database without verifying that the authenticated user has access to the task…

Vulnerability class: Broken Access Control

EPSS: 0.000 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Go-vikunja Vikunja — versions < 2.3.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-48ch-p4gq-x46x (x_refsource_CONFIRM)
https://github.com/go-vikunja/vikunja/pull/2579 (x_refsource_MISC)
https://github.com/go-vikunja/vikunja/commit/879462d717351fe5d276ddec5246bdec31b41661 (x_refsource_MISC)
https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-35598?: CVE-2026-35598 is a medium-severity vulnerability in Go-vikunja Vikunja, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-04-10.
How severe is CVE-2026-35598?: Medium severity. CVSS v3 base score is 4.3 out of 10.