{"id":"CVE-2026-62764","summary":"Apache Accumulo: A user can trigger a graceful shutdown of services without the relevant system permissions","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.","modified":"2026-08-13T04:02:32.504033427Z","published":"2026-07-17T08:35:57.234Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/62xxx/CVE-2026-62764.json","cna_assigner":"apache","cwe_ids":["CWE-274"]},"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/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/accumulo","events":[{"introduced":"e557fd95fedbce9988ea95b685f13a2d469ca34c"},{"fixed":"fcf52c2a545876af47e59d57bf2529ab1c72caaf"}],"database_specific":{"extracted_events":[{"introduced":"2.1.4"},{"last_affected":"2.1.5"},{"fixed":"2.1.6"}],"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:apache:accumulo:*:*:*:*:*:*:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-62764.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","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"}]}