LDAP injection in Apache Zeppelin - CVE-2026-44616
Published: August 25, 2026
Vulnerability identifier: #VU145155
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-44616
CWE-ID: CWE-90
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose directory information.
The vulnerability exists due to improper neutralization of special elements in ldap queries in ActiveDirectoryGroupRealm filter construction when processing user-supplied input through the user-search endpoint. A remote user can inject ldap filter syntax to disclose directory information.
The role-lookup path is also affected after successful ldap authentication.
Affected software
Apache Zeppelin
How to mitigate CVE-2026-44616
Install security update from vendor's website.
Apache Zeppelin - update to 0.12.1