CVE-2026-33676 — Incorrect Authorization in Vikunja
Severity
6.5MEDIUMNVD
EPSS
0.0%
top 91.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 24
Latest updateMar 26
Description
Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the `related_tasks` field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will receive full details (title, description, due dates, priority, percent completion, project ID, etc.) of tasks in projects…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6
Affected Packages3 packages
Patches
🔴Vulnerability Details
3OSV▶
Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read in code.vikunja.io/api↗2026-03-26
OSV▶
Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read↗2026-03-25
GHSA▶
Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read↗2026-03-25