{"id":"CVE-2026-111912","title":"Admidio 5.0.0 before 5.0.16 IDOR via Forum Topic Update","summary":"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 paramete…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"Admidio","product":"admidio","affected":["admidio >= 5.0.0 < 5.0.16"],"published":"2026-10-17","updated":"2026-10-17","sourceUpdated":"2026-10-17T18:46:29.658Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111912","references":[{"url":"https://github.com/Admidio/admidio/security/advisories/GHSA-8256-4wm7-f628","label":"GitHub Security Advisory (GHSA-8256-4wm7-f628)"},{"url":"https://www.vulncheck.com/advisories/admidio-5.0.0-before-5.0.16-idor-via-forum-topic-update","label":"VulnCheck Advisory: Admidio 5.0.0 before 5.0.16 IDOR via Forum Topic Update"}],"tags":["cve.org"],"ingestedAt":"2026-10-17T19:08:56.737Z","slug":"CVE-2026-111912","body":"## Overview\n\nAdmidio 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.\n\n## Affected\n\n- `admidio >= 5.0.0 < 5.0.16`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}