Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rw5-62xf-q5xp
- https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-second-order-sql-injec
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rw5-62xf-q5xp
FAQ
What is CVE-2026-104456?
CVE-2026-104456 is a vulnerability with a CVSS score of 7.6 (HIGH). 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 c...
How severe is CVE-2026-104456?
CVE-2026-104456 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-104456?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.