{"id":"CVE-2026-72663","aliases":["BIT-elk-2026-72663","BIT-kibana-2026-72663","EUVD-2026-58273","GHSA-pw35-6253-9877"],"status":"published","title":"Inefficient Algorithmic Complexity in Kibana Leading to Denial of Service","description":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00472,"percentile":0.41232,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-407"],"published":"2026-08-13T19:13:03Z","modified":"2026-10-28T11:22:53Z","fixes":[{"ecosystem":"Bitnami","package":"elk","fixed_in":["8.19.20","9.4.5"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"kibana","fixed_in":["8.19.20","9.4.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"elk","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.19.20"},{"introduced":"9.0.0"},{"fixed":"9.4.5"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"kibana","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.19.20"},{"introduced":"9.0.0"},{"fixed":"9.4.5"}]}]}],"products":[{"vendor":"elastic","product":"kibana"}],"references":[{"url":"https://discuss.elastic.co/t/kibana-8-19-20-and-9-4-5-security-update-esa-2026-104/389520","tags":["Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72663","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-pw35-6253-9877"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72663.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-72663","title":"Inefficient Algorithmic Complexity in Kibana Leading to Denial of Service","description":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.","status":"published","published":"2026-08-13T19:13:03.935Z","modified":"2026-08-13T20:30:35.109Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T14:19:51.663093Z"}],"euvd":[{"id":"EUVD-2026-58273","description":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.","status":"published","published":"2026-08-13T19:13:03Z","modified":"2026-08-13T20:30:35Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:01:55.248337Z"}],"ghsa":[{"id":"GHSA-pw35-6253-9877","title":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input...","description":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.","status":"published","published":"2026-08-13T21:36:09Z","modified":"2026-08-13T21:36:15Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T15:10:27.325913Z"}],"nvd":[{"id":"CVE-2026-72663","description":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.","status":"published","published":"2026-08-13T20:17:26.787Z","modified":"2026-10-24T15:10:00.19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T14:12:37.557758Z"}],"osv":[{"id":"CVE-2026-72663","title":"Inefficient Algorithmic Complexity in Kibana Leading to Denial of Service","description":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.","status":"published","published":"2026-08-13T19:13:03.935Z","modified":"2026-10-28T11:22:53.274649023Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T15:45:15.88521Z"},{"id":"BIT-elk-2026-72663","title":"Inefficient Algorithmic Complexity in Kibana Leading to Denial of Service","description":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.","status":"published","published":"2026-08-19T08:40:33.421Z","modified":"2026-09-08T08:47:06.708822572Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"BIT-kibana-2026-72663","title":"Inefficient Algorithmic Complexity in Kibana Leading to Denial of Service","description":"Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.","status":"published","published":"2026-08-19T08:45:07.538Z","modified":"2026-09-08T08:47:35.995811209Z","updated_at":"2026-11-02T15:28:32.162822Z"}]}}