{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.11.1"
              },
              {
                "fixed": "0.12.1"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "4419b4deeac67c0c7a1aeff388fa18ad6a086ddf"
            },
            {
              "fixed": "ae9cb72ffaa6b3c007f57b152e2a3eb2208b910a"
            }
          ],
          "repo": "https://github.com/apache/zeppelin",
          "type": "GIT"
        }
      ]
    }
  ],
  "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"
  },
  "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.",
  "id": "CVE-2026-44617",
  "modified": "2026-08-01T03:33:00.181657891Z",
  "published": "2026-07-30T15:22:39.054Z",
  "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"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867"
}