Vulnerability Description
Networknt light-4j from 2.1.5 before 2.4.0 contains an authentication bypass vulnerability in BasicAuthHandler that allows unauthenticated attackers to log in as LDAP/AD-delegated users. Attackers can send a Basic Authorization header with a known username and empty password, triggering an unauthenticated LDAP bind that is accepted as successful authentication.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/networknt/light-4j/blob/2.3.7/basic-auth/src/main/java/com/ne
- https://github.com/networknt/light-4j/blob/2.3.7/ldap-util/src/main/java/com/net
- https://github.com/networknt/light-4j/commit/54743badb34260b76ed131d8b6a4f60210c
- https://github.com/networknt/light-4j/issues/2804
- https://github.com/networknt/light-4j/pull/2805
- https://github.com/networknt/light-4j/releases/tag/2.4.0
- https://www.vulncheck.com/advisories/networknt-light-4j-2.1.5-before-2.4.0-authe
FAQ
What is CVE-2026-113682?
CVE-2026-113682 is a vulnerability with a CVSS score of 7.4 (HIGH). Networknt light-4j from 2.1.5 before 2.4.0 contains an authentication bypass vulnerability in BasicAuthHandler that allows unauthenticated attackers to log in as LDAP/AD-delegated users. Attackers can...
How severe is CVE-2026-113682?
CVE-2026-113682 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-113682?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.