Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Zeppelin | >= 0.11.1, < 0.12.1 |
Related Weaknesses (CWE)
References
- https://github.com/apache/zeppelin/pull/5226Issue TrackingPatch
- https://lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zvMailing ListVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2024-31867Mailing ListThird Party Advisory
FAQ
What is CVE-2026-44617?
CVE-2026-44617 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 f...
How severe is CVE-2026-44617?
CVE-2026-44617 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-44617?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Zeppelin.