High severity7.4NVD Advisory· Published Oct 20, 2026
CVE-2026-113682
CVE-2026-113682
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.
Affected products
1Patches
Vulnerability mechanics
References
7- github.com/networknt/light-4j/blob/2.3.7/basic-auth/src/main/java/com/networknt/basicauth/BasicAuthHandler.javanvd
- github.com/networknt/light-4j/blob/2.3.7/ldap-util/src/main/java/com/networknt/ldap/LdapUtil.javanvd
- github.com/networknt/light-4j/commit/54743badb34260b76ed131d8b6a4f60210cc3673nvd
- github.com/networknt/light-4j/issues/2804nvd
- github.com/networknt/light-4j/pull/2805nvd
- github.com/networknt/light-4j/releases/tag/2.4.0nvd
- www.vulncheck.com/advisories/networknt-light-4j-2.1.5-before-2.4.0-authentication-bypass-via-empty-ldap-passwordnvd
News mentions
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