CVE-2026-113682

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Source
https://cve.org/CVERecord?id=CVE-2026-113682
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-113682.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-113682
Published
2026-10-20T15:40:42Z
Modified
2026-10-21T02:52:36Z
Severity
  • 9.1 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Networknt light-4j 2.1.5 before 2.4.0 Authentication Bypass via Empty LDAP Password
Details

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.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-287"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113682.json"
}
References

Affected packages

Git / github.com/networknt/light-4j

Affected ranges

Type
GIT
Repo
https://github.com/networknt/light-4j
Events
Introduced
c3e16c93d621d003497f3ef7febc1f389abb1b8f
Fixed
cd99b0c978755a9036a0eef485e3fe1ed9cb4522
Fixed
54743badb34260b76ed131d8b6a4f60210cc3673
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "2.1.5"
                },
                {
                    "fixed":  "2.4.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "range":  [
                {
                    "fixed":  "54743badb34260b76ed131d8b6a4f60210cc3673"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "2.4.0",
            "range":  [
                {
                    "fixed":  "cd99b0c978755a9036a0eef485e3fe1ed9cb4522"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Affected versions

2.*
2.1.10
2.1.11
2.1.12
2.1.15
2.1.16
2.1.17
2.1.18
2.1.20
2.1.22
2.1.23
2.1.24
2.1.25
2.1.26
2.1.27
2.1.28
2.1.29
2.1.30
2.1.31
2.1.32
2.1.33
2.1.34
2.1.35
2.1.36
2.1.37
2.1.5
2.1.6
2.1.7
2.1.8
2.1.9
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.3.6
2.3.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-113682.json"