{"id":"CVE-2026-105626","revision":"86b623e7fa5046c88d310f88ed56ce23","records":[{"revision":"86b623e7fa5046c88d310f88ed56ce23","observedAt":"2026-10-26T20:35:31.018+00:00","statement":{"source":"cve-program","id":"CVE-2026-105626","aliases":[],"title":"Consul vulnerable to a denial of service in HTTP APIs","description":"HashiCorp Consul and Consul Enterprise are vulnerable to a denial of service in the HTTP API that may allow an unauthenticated attacker to exhaust memory on a Consul agent. This vulnerability (CVE-2026-105626) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","state":0,"publishedAt":"2026-10-26T18:02:25.376+00:00","modifiedAt":"2026-10-26T19:38:29.471+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\": \"0.6.0\",\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\": \"1.21.19\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"lessThan\": \"2.1.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"0.6.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-48-consul-vulnerable-to-a-denial-of-service-in-http-apis/77913"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105626","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-105626","identifiers":["CVE-2026-105626"]},"retained":false,"historicalAffected":[]}],"coverage":[]}