{"id":"CVE-2026-77145","title":"The permission check for the frontend management update flow verified a different event than the one the request went on to modify","summary":"The permission check for the frontend management update flow verified a different event than the one the request went on to modify. A user with frontend event management access could therefore modify events belonging to other organizers.","severity":"none","cwe":["CWE-639"],"published":"2026-08-25","updated":"2026-09-28","sourceUpdated":"2026-09-28T23:10:00.143","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77145","references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-026","label":"f4fb688c-4412-4426-b4b8-421ecf27b14a"}],"tags":["nvd"],"ingestedAt":"2026-09-28T23:23:00.544Z","slug":"CVE-2026-77145","body":"## Overview\n\nThe permission check for the frontend management update flow verified a different event than the one the request went on to modify. A user with frontend event management access could therefore modify events belonging to other organizers.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}