Vulnerability in Go-Vikunja Vikunja

CVE-2026-111922

Vikunja from 2.2.0 before 2.7.0 contains a permissive CORS configuration that trusts every localhost and 127.0.0.1 port with credentials, even when service.publicurl is set. Attackers controlling a page on any localhost port can send a credentialed request to the token refresh endpoint and read the returned bearer JWT to take over the logged-in user's account.

Published .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-111922?
CVE-2026-111922 is a medium-severity vulnerability in Go-Vikunja Vikunja, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 6.3/10. Published 2026-10-17.
How severe is CVE-2026-111922?
Medium severity. CVSS v3 base score is 6.3 out of 10.