CVE-2026-35596

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

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.

Affected

go-vikunja · vikunja

CVSS v3.1 GITHUB

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

EPSS

0.35% chance of exploitation in the next 30 days, 27th percentile

Published

2026-04-10

Updated

2026-04-14

Proof-of-concept exploits (1)

• advisories/GHSA-hj5c-mhh2-g7jq

Security advisories

• go-vikunja/vikunja/security/advisories/GHSA-hj5c-mhh2-g7jq
• go-vikunja/vikunja/pull/2578

References

• CVE Record
• NVD entry