{"id":"CVE-2026-82657","summary":"Admidio before 5.0.12 Authentication Bypass via RSS feeds","details":"Admidio before 5.0.12 fails to enforce login-only module restrictions in RSS feed endpoints for forum and announcements modules. Unauthenticated attackers can retrieve forum topics and announcements by sending GET requests to rss/forum.php or rss/announcements.php, disclosing titles, full post text, author names, and timestamps.","aliases":["GHSA-mg9h-42f8-2pmm"],"modified":"2026-09-02T03:30:57.277363143Z","published":"2026-08-30T14:33:37.262Z","database_specific":{"cwe_ids":["CWE-200"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82657.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/Admidio/admidio/security/advisories/GHSA-mg9h-42f8-2pmm"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82657.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82657"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/admidio-before-5.0.12-authentication-bypass-via-rss-feeds"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/admidio/admidio","events":[{"introduced":"0"},{"fixed":"413bdaa219cb473f7db7f31c5f669955cba6795e"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"0"},{"fixed":"5.0.12"}]}}],"versions":["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","v5.0-Beta.3","v5.0-Beta.2","v5.0-Beta.1","v4.3-Beta.1","v4.1-Beta.2","v4.0-Beta.1","v3.2-Beta.1","v3.1.5","v3.0.6","3.0-Beta.3","3.0-Beta.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82657.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}