{"id":"GHSA-q7fx-wm2p-qfj8","summary":"HashiCorp Consul vulnerable to Origin Validation Error","details":"HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the product behaves as if `verify_server_hostname` were set to false, even when it is actually set to true. This is fixed in 1.4.4.","aliases":["CVE-2019-9764","GO-2023-1853"],"modified":"2026-07-17T21:11:30.454645568Z","published":"2022-05-13T01:23:06Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2023-06-09T23:23:59Z","nvd_published_at":"2019-03-26T14:29:00Z","cwe_ids":["CWE-346"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9764"},{"type":"WEB","url":"https://github.com/hashicorp/consul/issues/5519"},{"type":"WEB","url":"https://github.com/hashicorp/consul/commit/7e11dd82aa8dae505b7307adcb68c9d3194b3b40"},{"type":"PACKAGE","url":"https://github.com/hashicorp/consul"}],"affected":[{"package":{"name":"github.com/hashicorp/consul","ecosystem":"Go","purl":"pkg:golang/github.com/hashicorp/consul"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.4.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-q7fx-wm2p-qfj8/GHSA-q7fx-wm2p-qfj8.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}