{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-79744","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-25T14:08:18.108Z","datePublished":"2026-08-31T17:56:38.995Z","dateUpdated":"2026-08-31T18:49:37.857Z"},"containers":{"cna":{"title":"MCPHub: Missing Authorization on `PUT /api/system-config` Lets Any Non-Admin Rewrite Global Security Configuration","problemTypes":[{"descriptions":[{"cweId":"CWE-269","lang":"en","description":"CWE-269: Improper Privilege Management","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/samanhappy/mcphub/security/advisories/GHSA-4gc8-885f-qj36","tags":["x_refsource_CONFIRM"],"url":"https://github.com/samanhappy/mcphub/security/advisories/GHSA-4gc8-885f-qj36"},{"name":"https://github.com/samanhappy/mcphub/releases/tag/v1.0.29","tags":["x_refsource_MISC"],"url":"https://github.com/samanhappy/mcphub/releases/tag/v1.0.29"}],"affected":[{"vendor":"samanhappy","product":"mcphub","versions":[{"version":"< 1.0.29","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-31T17:56:38.995Z"},"descriptions":[{"lang":"en","value":"MCPHub is a unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into separate endpoints with flexible routing strategies. Prior to version 1.0.29, MCPHub's PUT /api/system-config endpoint (handler updateSystemConfig) performs no authorization check. It is protected only by the app-wide authentication middleware and a rate limiter — it never inspects req.user.isAdmin. This issue has been patched in version 1.0.29."}],"source":{"advisory":"GHSA-4gc8-885f-qj36","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/samanhappy/mcphub/security/advisories/GHSA-4gc8-885f-qj36","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-31T18:49:18.373831Z","id":"CVE-2026-79744","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-31T18:49:37.857Z"}}]}}