CVE-2026-40459
8.7
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
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| PAC4J | PAC4J | 4.0 < 4.5.10 | affected |
| PAC4J | PAC4J | 5.0 < 5.7.10 | affected |
| PAC4J | PAC4J | 6.0 < 6.4.1 | affected |
Weaknesses
- CWE-90: CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://cert.pl/en/posts/2026/04/CVE-2026-40458/
- https://www.pac4j.org/blog/security-advisory-pac4j-core-and-ldap.html
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.