What is CVE-2026-68581?

CVE-2026-68581 is a high-severity vulnerability in Go-vikunja Vikunja, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-08-02.

How severe is CVE-2026-68581?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Go-vikunja Vikunja

CVE-2026-68581

Vikunja versions 0.22.0 through 2.3.0 fail to validate the principal type in API token management. Because user IDs and link-share IDs are independent numeric sequences and both resolve through a generic web.Auth.GetID() interface, a link-…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Go-vikunja Vikunja — versions 0.22.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-68581?: CVE-2026-68581 is a high-severity vulnerability in Go-vikunja Vikunja, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-08-02.
How severe is CVE-2026-68581?: High severity. CVSS v3 base score is 8.1 out of 10.