Vulnerability Details CVE-2026-44616
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 27.0%
CVSS Severity
CVSS v3 Score 6.5
References
Products affected by CVE-2026-44616
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cpe:2.3:a:apache:zeppelin:0.10.0
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cpe:2.3:a:apache:zeppelin:0.10.1
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cpe:2.3:a:apache:zeppelin:0.11.0
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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
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cpe:2.3:a:apache:zeppelin:0.6.0
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cpe:2.3:a:apache:zeppelin:0.6.1
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cpe:2.3:a:apache:zeppelin:0.6.2
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cpe:2.3:a:apache:zeppelin:0.7.0
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cpe:2.3:a:apache:zeppelin:0.7.1
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cpe:2.3:a:apache:zeppelin:0.7.2
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cpe:2.3:a:apache:zeppelin:0.7.3
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cpe:2.3:a:apache:zeppelin:0.8.0
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cpe:2.3:a:apache:zeppelin:0.8.1
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cpe:2.3:a:apache:zeppelin:0.8.2
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cpe:2.3:a:apache:zeppelin:0.9.0