High severity8.8NVD Advisory· Published Apr 17, 2026· Updated Apr 20, 2026
CVE-2026-40459
CVE-2026-40459
Description
PAC4J is vulnerable to LDAP Injection in multiple methods. A low-privileged remote attacker can inject crafted LDAP syntax into ID-based search parameters, potentially resulting in unauthorized LDAP queries and arbitrary directory operations.
This issue was fixed in PAC4J versions 4.5.10, 5.7.10 and 6.4.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- cert.pl/en/posts/2026/04/CVE-2026-40458/nvdThird Party Advisory
- www.pac4j.org/blog/security-advisory-pac4j-core-and-ldap.htmlnvdVendor Advisory
News mentions
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