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
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| PAC4J | PAC4J | 4.0 – < 4.5.10, 5.0 – < 5.7.10, 6.0 – < 6.4.1 | 4.5.10 |
References
- https://cert.pl/en/posts/2026/04/CVE-2026-40458/ third-party-advisory
- https://www.pac4j.org/blog/security-advisory-pac4j-core-and-ldap.html vendor-advisory