What is CVE-2026-35596?

CVE-2026-35596 is a medium-severity vulnerability in Go-vikunja Vikunja, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-04-10.

How severe is CVE-2026-35596?

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

Auth bypass in Go-vikunja Vikunja

CVE-2026-35596

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the hasAccessToLabel function contains a SQL operator precedence bug that allows any authenticated user to read any label that has at least one task associatio…

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-863 — Incorrect Authorization

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hj5c-mhh2-g7jq (x_refsource_CONFIRM)
https://github.com/go-vikunja/vikunja/pull/2578 (x_refsource_MISC)
https://github.com/go-vikunja/vikunja/commit/fc216c38afaa51dd56dde7a97343d2148ecf24c1 (x_refsource_MISC)
https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-35596?: CVE-2026-35596 is a medium-severity vulnerability in Go-vikunja Vikunja, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-04-10.
How severe is CVE-2026-35596?: Medium severity. CVSS v3 base score is 4.3 out of 10.