high8.8
CVE-2026-40459
PAC4J is vulnerable to LDAP Injection in multiple methods.
Impact
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
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Pac4j | Pac4j | from 4.0.0 before 4.5.10 from 5.0.0 before 5.7.10 from 6.0.0 before 6.4.1 |