{"id":"CVE-2026-105608","revision":"bf60291386ce4633b3c93d475b030a39","records":[{"revision":"bf60291386ce4633b3c93d475b030a39","observedAt":"2026-10-26T20:35:31.018+00:00","statement":{"source":"cve-program","id":"CVE-2026-105608","aliases":[],"title":"Consul vulnerable to an authorization bypass in service mesh registration","description":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","state":0,"publishedAt":"2026-10-26T17:52:33.021+00:00","modifiedAt":"2026-10-26T19:38:29.607+00:00","affected":[{"ecosystem":"Vendor product","name":"Consul","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"64 bit\",\n                        \"32 bit\",\n                        \"x86\",\n                        \"ARM\",\n                        \"MacOS\",\n                        \"Windows\",\n                        \"Linux\"\n                    ],\n                    \"product\": \"Consul\",\n                    \"repo\": \"https://github.com/hashicorp/consul\",\n                    \"vendor\": \"HashiCorp\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"2.1.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"2.0.4\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Consul Enterprise","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"64 bit\",\n                        \"32 bit\",\n                        \"x86\",\n                        \"ARM\",\n                        \"MacOS\",\n                        \"Windows\",\n                        \"Linux\"\n                    ],\n                    \"product\": \"Consul Enterprise\",\n                    \"repo\": \"https://github.com/hashicorp/consul\",\n                    \"vendor\": \"HashiCorp\",\n                    \"versions\": [\n                        {\n                            \"changes\": [\n                                {\n                                    \"at\": \"1.21.18\",\n                                    \"status\": \"affected\"\n                                },\n                                {\n                                    \"at\": \"1.21.19\",\n                                    \"status\": \"unaffected\"\n                                },\n                                {\n                                    \"at\": \"1.22.12\",\n                                    \"status\": \"affected\"\n                                }\n                            ],\n                            \"lessThan\": \"2.1.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"2.0.4\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-47-consul-vulnerable-to-an-authorization-bypass-in-service-mesh-registration/77912"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105608","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-105608","identifiers":["CVE-2026-105608"]},"retained":false,"historicalAffected":[]}],"coverage":[]}