CVE-2026-113682
Published:October 20, 2026
Updated:October 22, 2026
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 Packages
https://github.com/networknt/light-4j.git (GITHUB):
Affected version(s) >=2.1.5 <2.4.0Fix Suggestion:
Update to version 2.4.0com.networknt:basic-auth (JAVA):
Affected version(s) >=2.1.5 <2.4.0Fix Suggestion:
Update to version 2.4.0com.networknt:ldap-util (JAVA):
Affected version(s) >=2.1.5 <2.4.0Fix Suggestion:
Update to version 2.4.0Related Resources (8)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Authentication
EPSS
Base Score:
0.48