{"id":"CVE-2026-79744","state":"PUBLISHED","title":"MCPHub: Missing Authorization on `PUT /api/system-config` Lets Any Non-Admin Rewrite Global Security Configuration","description":"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.","publishedAt":"2026-08-31T17:56:38.995Z","updatedAt":"2026-08-31T18:49:37.857Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["samanhappy mcphub"],"affected":[{"vendor":"samanhappy","product":"mcphub","versions":[{"version":"< 1.0.29","status":"affected"}]}],"references":["https://github.com/samanhappy/mcphub/security/advisories/GHSA-4gc8-885f-qj36","https://github.com/samanhappy/mcphub/releases/tag/v1.0.29"],"weaknesses":["CWE-269","CWE-862"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/79xxx/CVE-2026-79744.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-79744","state":"PUBLISHED","datePublished":"2026-08-31T17:56:38.995Z","dateUpdated":"2026-08-31T18:49:37.857Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-25T14:08:18.108Z"},"containers":{"cna":{"title":"MCPHub: Missing Authorization on `PUT /api/system-config` Lets Any Non-Admin Rewrite Global Security Configuration","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."}],"affected":[{"vendor":"samanhappy","product":"mcphub","versions":[{"version":"< 1.0.29","status":"affected"}]}],"references":[{"url":"https://github.com/samanhappy/mcphub/security/advisories/GHSA-4gc8-885f-qj36","name":"https://github.com/samanhappy/mcphub/security/advisories/GHSA-4gc8-885f-qj36","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/samanhappy/mcphub/releases/tag/v1.0.29","name":"https://github.com/samanhappy/mcphub/releases/tag/v1.0.29","tags":["x_refsource_MISC"]}],"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"}}],"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"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-31T17:56:38.995Z"},"source":{"advisory":"GHSA-4gc8-885f-qj36","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-31T18:49:37.857Z"}}]}}}