{"id":"CVE-2026-105765","title":"Consul vulnerable to an authorization bypass in the agent's service mesh leaf certificate API","summary":"HashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent's service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf c…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"HashiCorp","product":"Consul","affected":["Consul >= 1.17.0 < 2.1.0","consul_enterprise >= 1.17.0 < 2.1.0"],"published":"2026-10-26","updated":"2026-10-26","sourceUpdated":"2026-10-26T18:12:14.351Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105765","references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-46-consul-vulnerable-to-an-authorization-bypass-in-the-agents-service-mesh-leaf-certificate-api/77911"}],"tags":["cve.org"],"ingestedAt":"2026-10-26T18:35:51.696Z","epss":0.00237,"epssPercentile":0.14613,"slug":"CVE-2026-105765","body":"## Overview\n\nHashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent's service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf certificate and its private key. This vulnerability (CVE-2026-105765) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.\n\n## Affected\n\n- `Consul >= 1.17.0 < 2.1.0`\n- `consul_enterprise >= 1.17.0 < 2.1.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}