{"id":"CVE-2026-44617","aliases":["EUVD-2026-51162","GHSA-853r-vxg2-55r2"],"status":"published","title":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00838,"percentile":0.58226,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-90"],"published":"2026-07-30T15:22:39Z","modified":"2026-10-28T02:30:36Z","products":[{"vendor":"apache","product":"zeppelin"},{"vendor":"apache software foundation","product":"apache zeppelin"}],"references":[{"url":"https://github.com/apache/zeppelin/pull/5226","tags":["patch","Issue Tracking","Patch","fix"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-31867","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://lists.apache.org/thread/s65t6n3s1v4j5b1w7zvv5w73ko69m1zv","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44617","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-853r-vxg2-55r2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44617.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-44617","title":"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.","status":"published","published":"2026-07-30T15:22:39.054Z","modified":"2026-07-31T17:53:01.753Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-90"],"updated_at":"2026-11-02T13:42:49.132798Z"}],"euvd":[{"id":"EUVD-2026-51162","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.","status":"published","published":"2026-07-30T15:22:39Z","modified":"2026-07-31T17:53:01Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:25.522444Z"}],"ghsa":[{"id":"GHSA-853r-vxg2-55r2","title":"LDAP filter injection vulnerability in Apache Zeppelin. LdapRealm used RFC 4514 distinguished...","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.","status":"published","published":"2026-07-30T18:31:39Z","modified":"2026-07-31T18:32:13Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-90"],"updated_at":"2026-11-02T15:10:00.305317Z"}],"nvd":[{"id":"CVE-2026-44617","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.","status":"published","published":"2026-07-30T16:17:12.373Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-90"],"updated_at":"2026-11-02T14:12:33.955581Z"}],"osv":[{"id":"CVE-2026-44617","title":"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.","status":"published","published":"2026-07-30T15:22:39.054Z","modified":"2026-10-28T02:30:36.824890444Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-90"],"updated_at":"2026-11-02T15:45:05.172514Z"}]}}