CVE-2026-40459
Last modified
CVE-2026-40459 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.61% chance of exploitation in the next 30 days.
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
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pac4j | Pac4j | >= 4.0.0, < 4.5.10 |
| Pac4j | Pac4j | >= 5.0.0, < 5.7.10 |
| Pac4j | Pac4j | >= 6.0.0, < 6.4.1 |
References
- https://cert.pl/en/posts/2026/04/CVE-2026-40458/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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