🛡️ CVE-2026-44617 — zeppelin

🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-90 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2026-44617 is classified as CWE-90: LDAP Injection. Input is placed into an LDAP query without neutralisation, allowing the directory lookup to be rewritten.

Affected software

CVE-2026-44617 is recorded against 1 package.

  • zeppelin (from 0.11.1 up to 0.12.1)

Timeline and source

Published on 30 July 2026 and last revised on 5 August 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
lists.apache.org
www.cve.org

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE CWE-90
Public Exploit ✅ No
Source NVD
Published 2026-07-30
Updated 2026-08-11
Modified 2026-08-05

Affected Packages

Software From version Fixed in
zeppelin 0.11.1 0.12.1

Similar Threats

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