CVE-2026-35596

MEDIUM 4.3

Vikunja has Broken Access Control on Label Read via SQL Operator Precedence Bug

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

7th

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 association, regardless of project access. Label titles, descriptions, colors, and creator information are exposed. This vulnerability is fixed in 2.3.0.

CWE	CWE-863
Vendor	go-vikunja
Product	vikunja
Published	Apr 10, 2026
Last Updated	Apr 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

go-vikunja / vikunja

< 2.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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