{"id":"CVE-2026-123495","published":"2026-11-08T02:16:36.800","lastModified":"2026-11-11T05:19:32.700","description":"Vikunja 2.0.0 before 2.7.1 accepts form-encoded bodies on the /api/v2 login and OIDC callback endpoints without CSRF or Origin checks, enabling login cross-site request forgery. An attacker with an account can lure a victim to a page posting the attacker's credentials or OIDC code, switching the victim into the attacker's account and exposing data the victim then adds.","cvssScore":4.6,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","cwes":["CWE-352"],"vendors":[],"products":[],"references":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-frf4-3prf-3vch","tags":[]},{"url":"https://www.vulncheck.com/advisories/vikunja-2.0.0-before-2.7.1-login-csrf-via-api-v2-login-and-oidc-callback","tags":[]}],"exploitRefs":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-frf4-3prf-3vch","tags":[]}],"hasPoc":true,"ai":null}