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Vulnerability record · CVE-2026-44617 · published 30 July 2026

CVE-2026-44617: Apache zeppelin ldap injection vulnerability

Apache · Zeppelin

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.

6.5 CVSS 3.1 Medium EPSS 0.84% · top 43.9% CWE-90 · LDAP injection
6.5CVSS 3.1 base score
0.84%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
5 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/apache/zeppelin/pull/5226 Issue TrackingPatch
https://lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zv Mailing ListVendor Advisory
https://www.cve.org/CVERecord?id=CVE-2024-31867 Mailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-44617), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.