Vulnerability in Go-Vikunja Vikunja
CVE-2026-123499
Vikunja veans before 2.7.1 contains a credential exposure vulnerability that allows malicious repository authors to capture API tokens by specifying an attacker-controlled server in .veans.yml. When veans runs in an untrusted checkout, it sends VEANS_TOKEN as a Bearer token, or login passwords, TOTP codes and tokens, to that server, granting attackers the victim's Vikunja access.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/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
- GitHub Security Advisory (GHSA-3rrq-h284-5vpx) (vendor-advisory)
- VulnCheck Advisory: Vikunja veans before 2.7.1 Credential Leak via Repo-Controlled .veans.yml Server (third-party-advisory)
Frequently asked questions
- What is CVE-2026-123499?
- CVE-2026-123499 is a medium-severity vulnerability in Go-Vikunja Vikunja, classified under Origin Validation Error. CVSS score: 5.9/10. Published 2026-11-08.
- How severe is CVE-2026-123499?
- Medium severity. CVSS v3 base score is 5.9 out of 10.