CVE-2026-44616 Apache Zeppelin: LDAP injection in ActiveDirectoryGroupRealm filter construction
Authenticated attackers can inject LDAP filters in Apache Zeppelin to expose directory information via the user-search endpoint.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44616?
CVE-2026-44616 is a medium-severity vulnerability in Apache Zeppelin, published on 30 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
LDAP injection vulnerability in Apache Zeppelin. ActiveDirectoryGroupRealm constructed LDAP search filters without escaping user-controlled input, allowing an authenticated attacker to inject LDAP filter syntax through the user-search endpoint and potentially expose directory information. The role-lookup path was also affected after successful LDAP authentication. This issue affects Apache Zeppelin versions 0.6.0 through 0.12.0. Users are recommended to upgrade to version 0.12.1, which fixes this issue.
Weakness: CWE-90
Which versions are affected by CVE-2026-44616?
It affects 1 product.
Products include Apache Zeppelin.
How do I fix CVE-2026-44616?
No fix has been published for CVE-2026-44616 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-44616 being exploited?
There is no known exploitation of CVE-2026-44616 in the wild and no public exploit code.
Other vulnerabilities in Apache Zeppelin
- CVE-2024-31864 Apache Zeppelin: Remote code execution by adding malicious JDBC connection string
- CVE-2024-31866 Apache Zeppelin: Interpreter download command does not escape malicious code injection
- CVE-2019-10095 bash command injection in spark interpreter
- CVE-2018-1317 Improper Authentication in Apache Zeppelin
- CVE-2017-12619 Session Fixation in Apache Zeppelin
Sources
Also known as GHSA-8cjf-mhhj-2c5p.