HIGH 7.6 NVD
CVE-2026-123497
Vikunja veans before 2.7.1 contains a protocol downgrade vulnerability in serverCandidates that allows on-path attackers to force plain HTTP during veans init a
Vikunja veans before 2.7.1 contains a protocol downgrade vulnerability in serverCandidates that allows on-path attackers to force plain HTTP during veans init and login. Attackers can block HTTPS ports so discovery accepts an unverified HTTP response, capturing passwords, TOTP codes or bot tokens and persisting cleartext API traffic.
References
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wqw2-rgwv-99qx
- https://www.vulncheck.com/advisories/vikunja-veans-before-2.7.1-https-to-http-downgrade-in
This high severity vulnerability with a CVSS score of 7.6 was published on 2026-11-08 via NVD.
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