CVE-2026-44617
Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867
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.
INFO
Published Date :
July 30, 2026, 4:17 p.m.
Last Modified :
Aug. 5, 2026, 5:22 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Apache Zeppelin to version 0.12.1.
- Apply vendor-provided patches for earlier versions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-44617.
| URL | Resource |
|---|---|
| https://github.com/apache/zeppelin/pull/5226 | Issue Tracking Patch |
| https://lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zv | Mailing List Vendor Advisory |
| https://www.cve.org/CVERecord?id=CVE-2024-31867 | Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-44617 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-44617
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-44617 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-44617 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Aug. 05, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:zeppelin:*:*:*:*:*:*:*:* versions from (including) 0.11.1 up to (excluding) 0.12.1 Added Reference Type Apache Software Foundation: https://github.com/apache/zeppelin/pull/5226 Types: Issue Tracking, Patch Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zv Types: Mailing List, Vendor Advisory Added Reference Type Apache Software Foundation: https://www.cve.org/CVERecord?id=CVE-2024-31867 Types: Mailing List, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 31, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Added SSVC {'id': 'CVE-2026-44617', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-31T17:52:58.175055Z'} -
New CVE Received by [email protected]
Jul. 30, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Apache Software Foundation', 'product': 'Apache Zeppelin', 'versions': [{'status': 'affected', 'version': '0.11.1', 'lessThan': '0.12.1', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] 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. Added CWE CWE-90 Added Reference https://github.com/apache/zeppelin/pull/5226 Added Reference https://lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zv Added Reference https://www.cve.org/CVERecord?id=CVE-2024-31867