{"id":"CVE-2026-105608","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105608","generatedAt":"2026-10-28T01:44:22.163Z","title":"HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy 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.","published":"2026-10-26T18:17:27.000Z","lastModified":"2026-10-26T20:17:40.000Z","status":"Awaiting Analysis","sourceIdentifier":"security@hashicorp.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-178"],"affected":[],"epss":null,"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unscored. Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-26T18:17:27.000Z","detail":{"score":"8.8","severity":"HIGH","publishedAt":"2026-10-26T18:17:26.910Z"},"summary":"New CVE, high severity (CVSS 8.8)."}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-47-consul-vulnerable-to-an-authorization-bypass-in-service-mesh-registration/77912","source":"security@hashicorp.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105608","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}