{"id":"CVE-2026-104456","aliases":["EUVD-2026-91467","GHSA-6rw5-62xf-q5xp","GHSA-m352-5gh7-99x6"],"status":"published","title":"YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username","description":"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.","severity":{"version":"4.0","score":7.2,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00297,"percentile":0.2265,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2026-10-02T11:38:26Z","modified":"2026-10-28T02:30:43Z","products":[{"vendor":"yeswiki","product":"yeswiki"}],"references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rw5-62xf-q5xp","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-second-order-sql-injection-via-acl-username","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104456","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m352-5gh7-99x6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104456.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-104456","title":"YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username","description":"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.","status":"published","published":"2026-10-02T11:38:26.381Z","modified":"2026-10-02T14:04:53.385Z","cvss":[{"version":"4.0","score":7.2,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:20:09.448255Z"}],"euvd":[{"id":"EUVD-2026-91467","description":"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.","status":"published","published":"2026-10-02T11:38:26Z","modified":"2026-10-02T14:04:53Z","cvss":[{"version":"4.0","score":7.2,"vector":"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","level":"high"}],"updated_at":"2026-11-02T17:27:42.693498Z"}],"ghsa":[{"id":"GHSA-m352-5gh7-99x6","title":"YesWiki before 4.6.7 contains a second-order SQL injection vulnerability in AclService:...","description":"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.","status":"published","published":"2026-10-02T12:31:16Z","modified":"2026-10-02T12:31:26Z","cvss":[{"version":"4.0","score":7.2,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T15:12:43.051947Z"}],"nvd":[{"id":"CVE-2026-104456","description":"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.","status":"published","published":"2026-10-02T12:17:17.49Z","modified":"2026-10-02T15:17:07.693Z","cvss":[{"version":"4.0","score":7.2,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:12:53.41762Z"}],"osv":[{"id":"CVE-2026-104456","title":"YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username","description":"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.","status":"published","published":"2026-10-02T11:38:26.381Z","modified":"2026-10-28T02:30:43.599065914Z","cvss":[{"version":"4.0","score":7.2,"vector":"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","level":"high"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T15:44:54.236592Z"}]}}