CVE-2026-44617

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

Published Jul 30, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache zeppelin
Vendors & Products Apache
Apache zeppelin
Type Values Removed Values Added
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.
Title Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867
Weaknesses CWE-90
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jul 31, 2026, 5:53 PM
Reserved
May 7, 2026, 7:50 AM
Status
Analyzed
Published
Jul 30, 2026, 4:17 PM
Modified
Oct 23, 2026, 10:10 PM