CVE-2026-113682
highNetworknt light-4j from 2.1.5 before 2.4.0 contains an authentication bypass vulnerability in BasicAuthHandler that allows unauthenticated attackers to log in…
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/networknt/light-4j/blob/2.3.7/basic-auth/src/main/java/com/networknt/ba... disclosure@vulncheck.com
- https://github.com/networknt/light-4j/blob/2.3.7/ldap-util/src/main/java/com/networknt/lda... disclosure@vulncheck.com
- https://github.com/networknt/light-4j/commit/54743badb34260b76ed131d8b6a4f60210cc3673 disclosure@vulncheck.com
- https://github.com/networknt/light-4j/issues/2804 disclosure@vulncheck.com
- https://github.com/networknt/light-4j/pull/2805 disclosure@vulncheck.com
- https://github.com/networknt/light-4j/releases/tag/2.4.0 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/networknt-light-4j-2.1.5-before-2.4.0-authentication-... disclosure@vulncheck.com