{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:accumulo:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "2.1.4"
              },
              {
                "last_affected": "2.1.5"
              },
              {
                "fixed": "2.1.6"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "e557fd95fedbce9988ea95b685f13a2d469ca34c"
            },
            {
              "fixed": "fcf52c2a545876af47e59d57bf2529ab1c72caaf"
            }
          ],
          "repo": "https://github.com/apache/accumulo",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-274"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/62xxx/CVE-2026-62764.json"
  },
  "details": "Improper Handling of Insufficient Privileges vulnerability in Apache Accumulo.\nAn authenticated, but low-privileged user without system permissions may\nissue a remote command to gracefully shutdown system components\n(compaction-coordinator, compactor, gc, manager, monitor, tserver, or sserver),\nleading to a denial of service.\n\nThis issue affects Apache Accumulo 2.1.4 and 2.1.5.\n\nUsers are recommended to upgrade to version 2.1.6, which fixes the issue.",
  "id": "CVE-2026-62764",
  "modified": "2026-08-13T03:51:48.994578819Z",
  "published": "2026-07-17T08:35:57.234Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/17/6"
    },
    {
      "type": "WEB",
      "url": "https://repo.maven.apache.org/maven2"
    },
    {
      "type": "ADVISORY",
      "url": "https://accumulo.apache.org/release/accumulo-2.1.6/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/62xxx/CVE-2026-62764.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/qclg736k93oqn4qrpw9wxjbb3jhn6gm1"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-62764"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/apache/accumulo/issues/6478"
    },
    {
      "type": "FIX",
      "url": "https://accumulo.apache.org/downloads/"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/S:N/AU:Y/R:U/V:D/RE:L/U:Green",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Apache Accumulo: A user can trigger a graceful shutdown of services without the relevant system permissions"
}