{"schema":"threatline.record/2","record":{"id":"CVE-2026-108716","aliases":[],"summary":"mcp-remote 0.8.0 through 0.14.3 Cleartext Credential Transmission via --device-code OAuth Grant","details":"mcp-remote 0.8.0 through 0.14.3 contains a cleartext transmission vulnerability in authorizeWithDeviceCode that sends client secrets and receives tokens without enforcing HTTPS endpoints. When discovered device authorization and token endpoints are non-loopback http URLs, on-path network attackers can capture the client secret plus issued access and refresh tokens.","categories":["Unclassified"],"product":"mcp-remote","vendor":"punkpeye","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-108716","source_modified_at":"2026-10-13T17:01:20.229Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"mcp-remote","vendor":"punkpeye","versions":[{"version":"0.8.0","lessThanOrEqual":"0.14.3","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.002,"percentile":0.09301,"score_date":"2026-10-23"},"published_at":"2026-10-11T12:19:28.640Z","modified_at":"2026-10-13T17:01:20.229Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-108716","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T17:01:20.229Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-108716","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haind03/punkpeye-mcp-remote-device-code-cleartext-oauth-transport","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/punkpeye/mcp-remote/blob/v0.14.3/src/lib/device-authorization.ts#L64-L170","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/punkpeye/mcp-remote/blob/v0.14.3/src/lib/client-credentials.ts#L37-L47","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/punkpeye/mcp-remote","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/mcp-remote-0.8.0-through-0.14.3-cleartext-credential-transmission-via-device-code-oauth-grant","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T15:49:40.809016Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T17:01:20.229Z","content_hash":"a19c294d1348c8a96a4b2cdae6ccd92c57a93e55a442f30222b0a6a3d1ba41b7"}}