{"id":"CVE-2026-44617","summary":"Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867","details":"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.","modified":"2026-08-01T03:46:39.249346585Z","published":"2026-07-30T15:22:39.054Z","database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-90"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44617.json"},"references":[{"type":"WEB","url":"https://www.cve.org/CVERecord?id=CVE-2024-31867"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44617.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44617"},{"type":"FIX","url":"https://github.com/apache/zeppelin/pull/5226"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/zeppelin","events":[{"introduced":"4419b4deeac67c0c7a1aeff388fa18ad6a086ddf"},{"fixed":"ae9cb72ffaa6b3c007f57b152e2a3eb2208b910a"}],"database_specific":{"extracted_events":[{"introduced":"0.11.1"},{"fixed":"0.12.1"}],"source":"AFFECTED_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44617.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}