PAC4J is vulnerable to LDAP Injection in multiple methods.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 17, 2026 · NIST NVD

   Detected

   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

2. Jun 17, 2026 · NIST NVD

   Updated

   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

• cpe pac4j/pac4jversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-40459

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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 versio

  nvd.nist.gov

References

• Third Party Advisory · cert.pl
• Vendor Advisory · pac4j.org