{"id":"CVE-2026-79745","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-79745","summary":"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 1.0.32,…","details":"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 1.0.32, the built-in prompt and resource controllers perform no role checking. The mutating POST/PUT /api/prompts* and POST/PUT /api/resources* routes are attached to the authenticated router with no admin gate, and the handlers never read req.user. The DAO singletons they write are consulted first — ahead of any connected MCP server — for every session in handleGetPromptRequest / handleReadResourceRequest. A non-admin can therefore create, overwrite, and shadow global prompt templates and resources that all other users are served. The scored impact is the unauthorized integrity violation (creation/tampering/shadowing of globally-served records); stored prompt injection into other users' LLM sessions is a downstream consequence of that tampering. This issue has been patched in version 1.0.32.","published":"2026-08-31T18:17:19.910","modified":"2026-08-31T18:17:19.910","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/samanhappy/mcphub/commit/6ba55ac63954a71506e61c088753251e2ff643cf","label":"samanhappy/mcphub@6ba55ac"},"references":[{"type":"WEB","url":"https://github.com/samanhappy/mcphub/commit/6ba55ac63954a71506e61c088753251e2ff643cf"},{"type":"WEB","url":"https://github.com/samanhappy/mcphub/pull/1069"},{"type":"WEB","url":"https://github.com/samanhappy/mcphub/releases/tag/v1.0.32"},{"type":"WEB","url":"https://github.com/samanhappy/mcphub/security/advisories/GHSA-6cvf-cfch-4g7m"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-31T18:17:19.910"}}