CVE-2026-40459

UNKNOWN 0.0

LDAP Injection in PAC4J

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-90
Vendor	pac4j
Product	pac4j
Published	Apr 17, 2026
Last Updated	Apr 17, 2026

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Affected Versions

PAC4J / PAC4J

4.0 < 4.5.10 5.0 < 5.7.10 6.0 < 6.4.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cert.pl: https://cert.pl/en/posts/2026/04/CVE-2026-40458/ pac4j.org: https://www.pac4j.org/blog/security-advisory-pac4j-core-and-ldap.html

Credits

Bartłomiej Dmitruk, striga.ai