CVE-2026-40459

HIGH

LDAP Injection in PAC4J

Title source: cna

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

Scores

CVSS v3 8.8
EPSS 0.0013
EPSS Percentile 31.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-90
Status published
Products (4)
PAC4J/PAC4J 4.0 - 4.5.10
pac4j/pac4j 4.0.0 - 4.5.10
PAC4J/PAC4J 5.0 - 5.7.10
PAC4J/PAC4J 6.0 - 6.4.1
Published Apr 17, 2026
Tracked Since Apr 17, 2026