{"id":"CVE-2026-123522","published":"2026-11-08T02:16:41.607","lastModified":"2026-11-09T14:17:10.060","description":"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.","cvssScore":7.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-5q33-h98p-rgh9","tags":[]},{"url":"https://www.vulncheck.com/advisories/vikunja-before-2.7.1-task-information-disclosure-via-kanban-bucket-move-webhook","tags":[]},{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-5q33-h98p-rgh9","tags":[]}],"exploitRefs":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-5q33-h98p-rgh9","tags":[]},{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-5q33-h98p-rgh9","tags":[]}],"hasPoc":true,"ai":null}