CVE-2026-44617

CVE-2026-44617: Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867

Vendor Apache Software Foundation

Product Apache Zeppelin

Weakness CWE-90 · LDAP injection

Published July 30, 2026

Last update July 30, 2026

View on NVD All CVEs

CVSS base score

—

What the vulnerability does

01Description

LDAP filter injection vulnerability in Apache Zeppelin. LdapRealm used RFC 4514 distinguished-name escaping when constructing LDAP search filters instead of RFC 4515 filter escaping, leaving special filter characters insufficiently escaped. This is an incomplete fix of CVE-2024-31867. This issue affects Apache Zeppelin versions 0.11.1, 0.11.2, and 0.12.0. Users are recommended to upgrade to version 0.12.1, which fixes this issue.

Key dates

02Disclosure timeline

July 30, 2026 CVE published

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-44617 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/90.html AskarLabs — CWE-90 write-up LDAP Injection

Related vulnerabilities

CVE-2026-44617: Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867

01Description

02Disclosure timeline

03References

04Related CVE