{"id":"CVE-2026-104456","summary":"YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username","details":"YesWiki before 4.6.7 contains a second-order SQL injection vulnerability in AclService::updateRequestWithACL, where a stored username is concatenated unescaped into a read-ACL LIKE clause. Attackers can self-register an account name containing a double-quote payload, then load non-admin ACL-filtered listings to read database contents and bypass read ACLs.","aliases":["GHSA-6rw5-62xf-q5xp"],"modified":"2026-10-04T02:45:59.143647951Z","published":"2026-10-02T11:38:26.381Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-89"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104456.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104456.json"},{"type":"ADVISORY","url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rw5-62xf-q5xp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104456"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-second-order-sql-injection-via-acl-username"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/yeswiki/yeswiki","events":[{"introduced":"0"},{"fixed":"07120ed8971047f504f7ec78060828f1895f475f"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"0"},{"fixed":"4.6.7"}]}}],"versions":["v4.6.6","v4.6.5","v4.6.4","v4.6.3","v4.6.2","v4.6.0","v4.5.5","v4.5.4","v4.5.3","v4.5.2","v4.5.1","v4.4.3","v4.4.2","v4.4.1","v4.4.0","v4.3.1","v4.3.0","v4.2.2","v4.2.1","v4.2.0","v4.1.5","v4.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104456.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:H/VI:L/VA:L/SC:N/SI:N/SA:N"}]}