{"id":"CVE-2026-41656","summary":"Admidio: Path Traversal via Unvalidated `name` Parameter in Document Add Mode Enables Arbitrary Server File Read","details":"Admidio is an open-source user management solution. Prior to version 5.0.9, the add mode in modules/documents-files.php accepts a name parameter validated only as 'string' type (HTML encoding), allowing path traversal characters (../) to pass through unfiltered. Combined with the absence of CSRF protection on this endpoint and SameSite=Lax session cookies, a low-privileged attacker can trick a documents administrator into clicking a crafted link that registers an arbitrary server file (e.g., install/config.php containing database credentials) into a documents folder accessible to the attacker. This issue has been patched in version 5.0.9.","aliases":["GHSA-m9h6-8pqm-xrhf"],"modified":"2026-07-08T08:13:13.203129064Z","published":"2026-05-07T02:58:03.065Z","database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41656.json","cwe_ids":["CWE-22"]},"references":[{"type":"WEB","url":"https://github.com/Admidio/admidio/releases/tag/v5.0.9"},{"type":"ADVISORY","url":"https://github.com/Admidio/admidio/security/advisories/GHSA-m9h6-8pqm-xrhf"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41656.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41656"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/admidio/admidio","events":[{"introduced":"0"},{"fixed":"d39915697e6e0be04d02d55a46c631f53013aea6"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"5.0.9"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["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-2026-41656.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N"}]}