CVE-2026-104456

EUVD-2026-91467
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.
SQL Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
7.6 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
yeswikiyeswiki
𝑥
< 4.6.7
CNA
Common Weakness Enumeration
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-injection-via-acl-username
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rw5-62xf-q5xp