{"id":"CVE-2026-110720","title":"Consul-k8s vulnerable to a cross-namespace authorization bypass in component ACL binding rules","summary":"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 i…","severity":"critical","cvss":9.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-863"],"vendor":"HashiCorp","product":"Tooling","affected":["Tooling >= 0.42.0 < 2.0.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-26T19:06:05.963836Z"},"published":"2026-10-26","updated":"2026-10-26","sourceUpdated":"2026-10-26T19:38:28.240Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110720","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":["cve.org"],"ingestedAt":"2026-10-26T19:38:01.340Z","epss":0.00365,"epssPercentile":0.30124,"slug":"CVE-2026-110720","body":"## Overview\n\nConsul-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.\n\n## Affected\n\n- `Tooling >= 0.42.0 < 2.0.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":54.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}