{"id":"CVE-2026-105216","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105216","generatedAt":"2026-10-28T05:28:14.827Z","title":"go-micro before 6.0.0 contains an improper certificate validation vulnerability that allows network attackers to impersonate services because the shared TLS helper sets InsecureSkipVerify to true by default.","description":"go-micro before 6.0.0 contains an improper certificate validation vulnerability that allows network attackers to impersonate services because the shared TLS helper sets InsecureSkipVerify to true by default. Man-in-the-middle attackers can present any certificate to intercept or modify gRPC transport, HTTP and RabbitMQ broker, and Consul or etcd registry traffic, including authentication tokens and credentials.","published":"2026-10-04T18:16:34.000Z","lastModified":"2026-10-06T16:00:37.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":9.1,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-295"],"affected":[],"epss":{"score":0.00194,"percentile":0.09031,"date":"2026-10-27","history":[{"date":"2026-10-05","score":0.00194,"percentile":0.08232}]},"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 unlikely (0.19%). 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":"2026-10-04T18:16:34.000Z","detail":{"score":"9.1","severity":"CRITICAL","publishedAt":"2026-10-04T18:16:34.287Z"},"summary":"New CVE, critical severity (CVSS 9.1)."}],"references":[{"url":"https://github.com/micro/go-micro","source":"disclosure@vulncheck.com"},{"url":"https://github.com/micro/go-micro/blob/v5.30.0/internal/util/tls/tls.go#L43-L67","source":"disclosure@vulncheck.com"},{"url":"https://github.com/micro/go-micro/commit/c7657f73f45cf839e643db10f28703eeab7299c3","source":"disclosure@vulncheck.com"},{"url":"https://github.com/micro/go-micro/issues/2963","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/go-micro-before-6.0.0-disabled-tls-certificate-verification-via-tls-config-helper","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105216","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."}