{"id":"CVE-2026-123520","aliases":["GHSA-hq66-9qg8-jwqg"],"url":"https://o3.security/vulnerability/CVE-2026-123520","summary":"Vikunja 0.18.0 before 2.7.1 Privilege Escalation via Account Deletion","details":"Vikunja from 0.18.0 before 2.7.1 contains a privilege escalation vulnerability that allows team owners to gain admin or ownership of read-only shared projects by deleting accounts. Attackers can create a bot, add it to their team, and delete it through the bots endpoint, triggering ensureProjectAdminUser to promote read-only shares and lock out the real owner.","published":"2026-11-08T01:37:31.078Z","modified":"2026-11-09T02:47:17.041253261Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123520.json"},{"type":"ADVISORY","url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hq66-9qg8-jwqg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123520"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/vikunja-0.18.0-before-2.7.1-privilege-escalation-via-account-deletion"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-11-09T02:47:17.041253261Z"}}