{"id":"CVE-2026-63139","summary":"Uncontrolled Resource Consumption in Kibana Leading to Denial of Service","details":"Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated low-privileged user can exploit an uncontrolled resource consumption vulnerability in Kibana's Canvas functionality by sending a specially crafted request, causing the Kibana server process to terminate and resulting in a denial of service for all users of the affected Kibana instance.","aliases":["BIT-elk-2026-63139","BIT-kibana-2026-63139"],"modified":"2026-10-24T10:51:16.483659433Z","published":"2026-07-21T20:35:06.391Z","database_specific":{"cwe_ids":["CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63139.json","unresolved_ranges":[{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"8.0.0"},{"last_affected":"8.19.18"},{"introduced":"9.4.0"},{"last_affected":"9.4.3"},{"introduced":"9.3.0"},{"last_affected":"9.3.7"}]}]}],"cna_assigner":"elastic"},"references":[{"type":"WEB","url":"https://discuss.elastic.co/t/kibana-8-19-19-9-3-8-9-4-4-security-update-esa-2026-63/388560"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63139.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63139"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/elasticsearch","events":[{"introduced":"93788a8c2882eb5b606510680fac214cff1c7a22"},{"fixed":"0b6bd198d583b8566336c0db61afb70b346c6882"},{"introduced":"17b451d8979a29e31935fe1eb901310350b30e62"},{"fixed":"171dd53e53c29b91f45d2d87857a3f74db48cca5"},{"introduced":"2e8528e92361c3399724226deaf2b46f933e925b"},{"fixed":"77cd231096e56b56ac1d24445a9430a252622e6d"}],"database_specific":{"extracted_events":[{"cpe":"cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*","range":[{"introduced":"8.19.0"},{"fixed":"8.19.19"}],"source":"CPE_RANGE"},{"source":"CPE_RANGE","cpe":"cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*","range":[{"introduced":"9.3.0"},{"fixed":"9.3.8"}]},{"cpe":"cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*","range":[{"introduced":"9.4.0"},{"fixed":"9.4.4"}],"source":"CPE_RANGE"}]}}],"versions":["v8.19.18","v9.3.7","v9.4.3","v9.3.6","v8.19.17","v8.19.16","v9.4.2","v9.3.5","v9.4.1","v9.4.0","v8.19.15","v9.3.4","v8.19.14","v9.3.3","v9.3.2","v8.19.13","v9.3.1","v8.19.12","v9.3.0","v8.19.11","v8.19.10","v8.19.9","v8.19.8","v8.19.7","v8.19.6","v8.19.5","v8.19.4","v8.19.3","v8.19.2","v8.19.1","v8.19.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63139.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/kibana","events":[{"introduced":"ffd7cbf34ac1234c78354f2a22ef5f1703c04eaf"},{"fixed":"9bed9b7c05fe39507eb73d1a334ca96aa0c32cee"},{"introduced":"30ab63cc0017fe2da7a84fb9b285dd762468802d"},{"fixed":"e39c92c646f9a6b1e4b7b68d9f59967bb77d5732"},{"introduced":"b2e39752e03b56f48f51943214475ddba1f8e974"},{"fixed":"08c91e2fed2dbb7bdca4ec70b32630356bbeef07"}],"database_specific":{"extracted_events":[{"cpe":"cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*","range":[{"introduced":"8.19.0"},{"fixed":"8.19.19"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*","range":[{"introduced":"9.3.0"},{"fixed":"9.3.8"}],"source":"CPE_RANGE"},{"cpe":"cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*","range":[{"introduced":"9.4.0"},{"fixed":"9.4.4"}],"source":"CPE_RANGE"}]}}],"versions":["v8.19.18","v9.3.7","v9.4.3","v9.3.6","v8.19.17","v9.4.2","v8.19.16","v9.3.5","v9.4.1","v9.3.4","v9.4.0","v8.19.15","v8.19.14","v9.3.3","v9.3.2","v8.19.13","v8.19.12","v9.3.1","v9.3.0","v8.19.11","v8.19.10","v8.19.9","v8.19.8","v8.19.7","v8.19.6","v8.19.5","v8.19.4","v8.19.3","v8.19.2","v8.19.1","v8.19.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63139.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}