CVE-2026-113682
Networknt light-4j 2.1.5 before 2.4.0 Authentication Bypass via Empty LDAP Password
- Published
- Last modified
- Status
- published
- Known exploitation
- Not listed in CISA KEV
- Fix
- Fixed in 2.4.0
- Public exploit
- None on Exploit-DB
Summary
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 versions
- networknt light-4j
From 2.1.5 · fixed in 2.4.0