Vulnerability Details CVE-2026-40459
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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.8%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-40459