01 Record
CVE-2026-113682
Networknt light-4j 2.1.5 before 2.4.0 Authentication Bypass via Empty LDAP Password
CriticalPUBLISHEDCNA: VulnCheck
CNA base score9.1 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
02 Description
Networknt light-4j 2.1.5 before 2.4.0 Authentication Bypass via Empty LDAP Password
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.56% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 46.4% of scored records. A rank, not a probability.
- NVD base score
- 9.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-20 15:40Z8 DAYS AGO
- Last updated
- 2026-10-23 13:51Z5 DAYS AGO
- Reserved
- 2026-10-20
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.1)
- CNA CVSS vector
- 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
- Weaknesses
- CWE-287Improper AuthenticationClass
- Data version
- 5.2
- Document digest
- 8b29424f0a1963590065d086ffd01a0e6df362f2d2a0cf32f7fe667b65896fa2
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/networknt/light-4j/issues/2804
- github.comhttps://github.com/networknt/light-4j/pull/2805
- github.comhttps://github.com/networknt/light-4j/commit/54743badb34260b76ed131d8b6a4f60210cc3673
- github.comlight-4j 2.4.0 Release Noteshttps://github.com/networknt/light-4j/releases/tag/2.4.0
- github.comhttps://github.com/networknt/light-4j/blob/2.3.7/basic-auth/src/main/java/com/networknt/basicauth/BasicAuthHandler.java#L189-L200
- github.comhttps://github.com/networknt/light-4j/blob/2.3.7/ldap-util/src/main/java/com/networknt/ldap/LdapUtil.java#L152-L173
- www.vulncheck.comVulnCheck Advisory: Networknt light-4j 2.1.5 before 2.4.0 Authentication Bypass via Empty LDAP Passwordhttps://www.vulncheck.com/advisories/networknt-light-4j-2.1.5-before-2.4.0-authentication-bypass-via-empty-ldap-password