{"id":"CVE-2026-111912","summary":"Admidio 5.0.0 before 5.0.16 IDOR via Forum Topic Update","details":"Admidio from 5.0.0 before 5.0.16 contains an insecure direct object reference vulnerability in ForumService::saveTopic() that allows authenticated members to modify other users' forum topics. Attackers can replace the topic_uuid parameter in their own topic_save request, reusing their CSRF token, to overwrite the victim topic's title and first post.","aliases":["GHSA-8256-4wm7-f628"],"modified":"2026-10-21T02:55:50.051890922Z","published":"2026-10-17T18:46:29.658Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-639"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111912.json"},"references":[{"type":"ADVISORY","url":"https://github.com/Admidio/admidio/security/advisories/GHSA-8256-4wm7-f628"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111912.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111912"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/admidio-5.0.0-before-5.0.16-idor-via-forum-topic-update"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/admidio/admidio","events":[{"introduced":"59b4888d2be8acb9801f3024258663f7a787518c"},{"fixed":"9de058fd429c8c66c2f0deac878d0369d07cf13c"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"5.0.0"},{"fixed":"5.0.16"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"}]}}],"versions":["v5.0.15","v5.0.14","v5.0.13","v5.0.12","v5.0.10","v5.0.9","v5.0.8","v5.0.7","v5.0.6","v5.0.5","v5.0.4","v34","v5.0.3","v5.0.2","v5.0.1","v5.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111912.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}]}