{"id":"CVE-2026-78607","aliases":["AZL-98445","BIT-elasticsearch-2026-78607","EUVD-2026-69570","GHSA-876r-2mv4-qm43"],"status":"published","title":"Missing Authorization in Elasticsearch Leading to Information Disclosure","description":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00328,"percentile":0.26108,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2026-09-01T19:20:34Z","modified":"2026-10-28T11:17:59Z","fixes":[{"ecosystem":"Bitnami","package":"elasticsearch","fixed_in":["8.19.19","9.3.8","9.4.4","9.5.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"rubygem-elasticsearch","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"8.9.0-1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"elasticsearch","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.19.19"},{"introduced":"9.0.0"},{"fixed":"9.3.8"},{"introduced":"9.4.0"},{"fixed":"9.4.4"},{"introduced":"9.5.0"},{"fixed":"9.5.1"}]}]}],"products":[{"vendor":"elastic","product":"elasticsearch"}],"references":[{"url":"https://discuss.elastic.co/t/elasticsearch-8-19-19-9-3-8-9-4-4-9-5-1-security-update-esa-2026-143/390094","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78607","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-876r-2mv4-qm43"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78607.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-78607","title":"Missing Authorization in Elasticsearch Leading to Information Disclosure","description":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.","status":"published","published":"2026-09-01T19:20:34.174Z","modified":"2026-09-01T19:41:19.721Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-69570","description":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.","status":"published","published":"2026-09-01T19:20:34Z","modified":"2026-09-01T19:41:19Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:16.851436Z"}],"ghsa":[{"id":"GHSA-876r-2mv4-qm43","title":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to...","description":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.","status":"published","published":"2026-09-01T21:31:50Z","modified":"2026-09-01T21:31:59Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:11:15.292173Z"}],"nvd":[{"id":"CVE-2026-78607","description":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.","status":"published","published":"2026-09-01T20:17:24.03Z","modified":"2026-09-02T18:50:29.99Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:43.04945Z"}],"osv":[{"id":"CVE-2026-78607","title":"Missing Authorization in Elasticsearch Leading to Information Disclosure","description":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.","status":"published","published":"2026-09-01T19:20:34.174Z","modified":"2026-10-28T11:17:59.935370139Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:17.44708Z"},{"id":"AZL-98445","title":"CVE-2026-78607 affecting package rubygem-elasticsearch 8.9.0-1","description":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.","status":"published","published":"2026-09-01T20:17:24Z","modified":"2026-09-08T05:27:28Z","updated_at":"2026-11-02T15:28:12.596039Z"},{"id":"BIT-elasticsearch-2026-78607","title":"Missing Authorization in Elasticsearch Leading to Information Disclosure","description":"Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.","status":"published","published":"2026-09-03T08:40:52.618Z","modified":"2026-09-08T08:47:15.077953189Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}