{"id":"CVE-2026-110720","revision":null,"records":[{"revision":"eaf421b993094363a4da3d4fe6b4201e","observedAt":"2026-10-26T20:35:31.018+00:00","statement":{"source":"cve-program","id":"CVE-2026-110720","aliases":[],"title":"Consul-k8s vulnerable to a cross-namespace authorization bypass in component ACL binding rules","description":"Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in component ACL binding rules that may allow an attacker to obtain elevated Consul privileges. This vulnerability (CVE-2026-110720) is fixed in consul-k8s 2.1.0 and 1.8.18.","state":0,"publishedAt":"2026-10-26T18:38:14.209+00:00","modifiedAt":"2026-10-26T19:38:28.24+00:00","affected":[{"ecosystem":"Vendor product","name":"Tooling","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\": \"Tooling\",\n                    \"repo\": \"https://github.com/hashicorp/consul-k8s\",\n                    \"vendor\": \"HashiCorp\",\n                    \"versions\": [\n                        {\n                            \"changes\": [\n                                {\n                                    \"at\": \"1.8.18\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"lessThan\": \"2.0.4\",\n                            \"status\": \"affected\",\n                            \"version\": \"0.42.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":9.9,"severity":"CRITICAL"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-50-consul-k8s-vulnerable-to-a-cross-namespace-authorization-bypass-in-component-acl-binding-rules/77915"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110720","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110720","identifiers":["CVE-2026-110720"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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