Vulnerability Details CVE-2026-44617
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 54.4%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-44617
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cpe:2.3:a:apache:zeppelin:0.11.1
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cpe:2.3:a:apache:zeppelin:0.11.2
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cpe:2.3:a:apache:zeppelin:0.12.0