{"schema":"threatline.record/2","record":{"id":"CVE-2026-103758","aliases":["GHSA-6fwv-3h4c-37j9"],"summary":"Obot 0.21.1 through 0.24.1 Authorization Bypass via /mcp-connect-composite/ Route","details":"Obot 0.21.1 through 0.24.1 contains an authorization bypass vulnerability that allows authenticated users to reach MCP servers because the checkUI deny list omits the /mcp-connect-composite/ route. Basic-role users with a composite MCP ID can proxy requests through mcpGateway.Proxy to invoke tools on MCP servers restricted by Access Control Rules.","categories":["Unclassified"],"product":"obot","vendor":"obot-platform","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103758","source_modified_at":"2026-10-01T14:35:10.239Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"obot","vendor":"obot-platform","versions":[{"version":"0.21.1","status":"affected","versionType":"semver","lessThanOrEqual":"0.24.1"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.6,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00221,"percentile":0.12023,"score_date":"2026-10-23"},"published_at":"2026-10-01T10:42:26.638Z","modified_at":"2026-10-01T14:35:10.239Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103758","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T14:35:10.239Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103758","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/obot-platform/obot/security/advisories/GHSA-6fwv-3h4c-37j9","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/obot-0.21.1-through-0.24.1-authorization-bypass-via-mcp-connect-composite-route","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":"total","assessed_at":"2026-10-01T14:34:42.584937Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-01T14:35:10.239Z","content_hash":"4884734598fad7b1ff59657898999b732d3c6c14b6d37f8add392ac24a6599c5"}}