{"id":"CVE-2026-123522","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-123522","summary":"Vikunja before 2.7.1 contains an authorization bypass vulnerability that allows authenticated users to read any task by injecting a crafted task object into a no-op Kanban bucket move.…","details":"Vikunja before 2.7.1 contains an authorization bypass vulnerability that allows authenticated users to read any task by injecting a crafted task object into a no-op Kanban bucket move. Attackers can set task.id to a victim task and task.project_id to their own project, routing full task contents to their webhook and forging mention notifications.","published":"2026-11-08T02:16:41.607","modified":"2026-11-08T02:16:41.733","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-5q33-h98p-rgh9"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/vikunja-before-2.7.1-task-information-disclosure-via-kanban-bucket-move-webhook"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-08T02:16:41.733"}}