CVEvulnerability
CVE-2026-40459
8.7 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-90
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 configurations
• pac4j pac4j (>= 4.0.0 < 4.5.10)
• pac4j pac4j (>= 5.0.0 < 5.7.10)
• pac4j pac4j (>= 6.0.0 < 6.4.1)
Related
Weakness · CWE (1)
- CWE-90 Improper Neutralization of Special Elements used in an LDAP Query weakness
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