VULNRABLE / Vulnerability / CVE-2026-55066

CVE-2026-55066

HIGH LOW code.vikunja.io/api GHSA

Exploit verdict: No active-exploit signal

CVSS Score

Severity

HIGH

EPSS

Source

GHSA

Summary

Vikunja has cross-tenant IDOR in kanban move-task endpoint via unauthorized body task_id

What this means

CVE-2026-55066 is a high-severity vulnerability affecting code.vikunja.io/api, rated CVSS 8. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published August 28, 2026.

View full advisory at GHSA →