Vikunja: Link-share principal-type confusion enables cross-account team removal, bot takeover, and roster disclosure

Date Oct 9, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท code.vikunja.io/api
CVE CVE-2026-76216
High-risk advisory CVE-2026-76216

Summary

Vikunja: Link-share principal-type confusion enables cross-account team removal, bot takeover, and roster disclosure

Why it matters

GitHub has published a reviewed security advisory for code.vikunja.io/api. Prioritize it with other application dependency updates, especially because EPSS places it in the 28% percentile.

Operator check

Check whether code.vikunja.io/api is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.4%; percentile: 28%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.