CVE-2026-35596 — Incorrect Authorization in Vikunja

CWE-863 — Incorrect Authorization2 documents2 sources
Severity
4.3MEDIUMNVD
EPSS
0.0%
top 91.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Go-vikunja VikunjaCode.vikunja.io API
Timeline
PublishedApr 10

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages2 packages

▶CVEListV5go-vikunja/vikunja< 2.3.0

🔴Vulnerability Details

1
GHSA
Vikunja has Broken Access Control on Label Read via SQL Operator Precedence Bug↗2026-04-10
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