CVE-2026-35596: Vikunja has Broken Access Control on Label Read via SQL Operator Precedence Bug
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.
References
- github.com/advisories/GHSA-hj5c-mhh2-g7jq
- github.com/go-vikunja/vikunja
- github.com/go-vikunja/vikunja/commit/fc216c38afaa51dd56dde7a97343d2148ecf24c1
- github.com/go-vikunja/vikunja/pull/2578
- github.com/go-vikunja/vikunja/releases/tag/v2.3.0
- github.com/go-vikunja/vikunja/security/advisories/GHSA-hj5c-mhh2-g7jq
- nvd.nist.gov/vuln/detail/CVE-2026-35596
Code Behaviors & Features
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