{"id":"CVE-2026-110720","aliases":["EUVD-2026-110070","GHSA-3rqq-8xjm-v58x"],"status":"published","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.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00365,"percentile":0.3053,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-863"],"published":"2026-10-26T18:38:14Z","modified":"2026-10-29T02:30:42Z","exploits":[{"source":"pocgithub","id":"Ghost-Bx1/ConsulK8s-CVE-2026-110720","title":"Ghost-Bx1/ConsulK8s-CVE-2026-110720","date":"2026-10-27","url":"https://github.com/Ghost-Bx1/ConsulK8s-CVE-2026-110720"}],"products":[{"vendor":"hashicorp","product":"tooling"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-50-consul-k8s-vulnerable-to-a-cross-namespace-authorization-bypass-in-component-acl-binding-rules/77915","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110720","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3rqq-8xjm-v58x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110720.json","tags":["advisory"]},{"url":"https://github.com/hashicorp/consul-k8s","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-110720","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.","status":"published","published":"2026-10-26T18:38:14.209Z","modified":"2026-10-26T19:38:28.24Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:34:26.24368Z"}],"euvd":[{"id":"EUVD-2026-110070","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.","status":"published","published":"2026-10-26T18:38:14Z","modified":"2026-10-26T19:38:28Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:28.357127Z"}],"ghsa":[{"id":"GHSA-3rqq-8xjm-v58x","title":"Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in...","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.","status":"published","published":"2026-10-26T21:36:08Z","modified":"2026-10-26T21:36:08Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:14:25.770411Z"}],"nvd":[{"id":"CVE-2026-110720","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.","status":"published","published":"2026-10-26T19:16:29.94Z","modified":"2026-10-27T16:03:45.247Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:13:03.452847Z"}],"osv":[{"id":"CVE-2026-110720","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.","status":"published","published":"2026-10-26T18:38:14.209Z","modified":"2026-10-29T02:30:42.900194117Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:44:55.61515Z"}]}}