Unrated severityNVD Advisory· Published Jul 30, 2026· Updated Jul 31, 2026
Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867
CVE-2026-44617
Description
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.
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Affected products
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Vulnerability mechanics
References
3- github.com/apache/zeppelin/pull/5226mitrepatch
- lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zvmitrevendor-advisory
- www.cve.org/CVERecordmitre
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