CRITICAL 9.1 NVD
CVE-2026-113682
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 a
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.
References
- https://github.com/networknt/light-4j/blob/2.3.7/basic-auth/src/main/java/com/networknt/ba
- https://github.com/networknt/light-4j/blob/2.3.7/ldap-util/src/main/java/com/networknt/lda
- https://github.com/networknt/light-4j/commit/54743badb34260b76ed131d8b6a4f60210cc3673
- https://github.com/networknt/light-4j/issues/2804
- https://github.com/networknt/light-4j/pull/2805
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-10-20 via NVD.
Risk Timeline
CVE Disclosed2026-10-20 · -1 days ago
Remediation Resources
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