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

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...