CVE-2026-35596
MEDIUMVikunja has Broken Access Control on Label Read via SQL Operator Precedence Bug
Title source: cnaDescription
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.
References (4)
Core 4
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hj5c-mhh2-g7jq
X_Refsource_Misc x_refsource_misc
https://github.com/go-vikunja/vikunja/pull/2578
X_Refsource_Misc x_refsource_misc
https://github.com/go-vikunja/vikunja/commit/fc216c38afaa51dd56dde7a97343d2148ecf24c1
X_Refsource_Misc x_refsource_misc
https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0
Scores
CVSS v3
4.3
EPSS
0.0027
EPSS Percentile
18.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-863
Status
published
Products (3)
code.vikunja.io/api
0 - 2.3.0Go
go-vikunja/vikunja
< 2.3.0
vikunja/vikunja
< 2.3.0
Published
Apr 10, 2026
Tracked Since
Apr 10, 2026