{"id":"CVE-2026-105608","aliases":["EUVD-2026-110053","GHSA-5jgf-46qp-g9jf","UBUNTU-CVE-2026-105608"],"status":"published","title":"Consul vulnerable to an authorization bypass in service mesh registration","description":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00452,"percentile":0.39712,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-178"],"published":"2026-10-26T17:52:33Z","modified":"2026-10-28T20:17:40Z","affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.4~dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.7~dfsg1-5ubuntu1","1.4.4~dfsg1-2ubuntu2","1.5.2+dfsg1-6","1.5.2+dfsg1-10","1.5.2+dfsg1-12","1.5.2+dfsg2-14"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.4+dfsg1-1","1.8.7+dfsg1-3"]}],"products":[{"vendor":"hashicorp","product":"consul"},{"vendor":"hashicorp","product":"consul enterprise"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-47-consul-vulnerable-to-an-authorization-bypass-in-service-mesh-registration/77912","tags":["web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105608","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5jgf-46qp-g9jf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105608.json","tags":["advisory"]},{"url":"https://github.com/hashicorp/consul","tags":["package","report"]},{"url":"https://ubuntu.com/security/CVE-2026-105608","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-105608","tags":["report"]},{"url":"https://github.com/cveproject/cvelistv5/tree/main/cves/2026/105xxx/cve-2026-105608.json","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/cve-2026-105608","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-105608","title":"Consul vulnerable to an authorization bypass in service mesh registration","description":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","status":"published","published":"2026-10-26T17:52:33.021Z","modified":"2026-10-26T19:38:29.607Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-178"],"updated_at":"2026-11-02T14:19:56.755658Z"}],"euvd":[{"id":"EUVD-2026-110053","description":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","status":"published","published":"2026-10-26T17:52:33Z","modified":"2026-10-26T19:38:29Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:59:28.357127Z"}],"ghsa":[{"id":"GHSA-5jgf-46qp-g9jf","title":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh...","description":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","status":"published","published":"2026-10-26T18:33:01Z","modified":"2026-10-26T18:33:09Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-178"],"updated_at":"2026-11-02T15:14:24.666824Z"}],"nvd":[{"id":"CVE-2026-105608","description":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","status":"published","published":"2026-10-26T18:17:26.91Z","modified":"2026-10-26T20:17:39.64Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-178"],"updated_at":"2026-11-02T14:13:03.452847Z"}],"osv":[{"id":"CVE-2026-105608","title":"Consul vulnerable to an authorization bypass in service mesh registration","description":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","status":"published","published":"2026-10-26T17:52:33.021Z","modified":"2026-10-28T02:56:01.454962337Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-178"],"updated_at":"2026-11-02T15:44:54.583213Z"},{"id":"UBUNTU-CVE-2026-105608","description":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","status":"published","published":"2026-10-26T18:17:00Z","modified":"2026-10-28T20:17:40.048339978Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:55:59.130573Z"}]}}