Medium 6.5Published Jul 30, 2026

CVE-2026-44617Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867

Updated under an hour ago (Oct 27, 2026, 3:00 AM ET)

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It affects Apache Software Foundation Apache Zeppelin and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for Apache Software Foundation Apache Zeppelin

Exploited in the last 30 days

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: 6.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-90
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Jul 31, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache Zeppelin apache_software_foundation:apache_zeppelin (from the name)	from 0.11.1 before 0.12.1	CNA record
apache zeppelin apache:zeppelin	from 0.11.1 before 0.12.1	NVD

References

References

https://github.com/apache/zeppelin/pull/5226	patch, issue-tracking
https://www.cve.org/CVERecord?id=CVE-2024-31867	mailing-list, third-party-advisory
https://lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zv	vendor-advisory, mailing-list

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.