High
MCPHub: Missing Authorization on `PUT /api/system-config` Lets Any Non-Admin Rewrite Global Security Configuration
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-79744
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 13:03 UTC · Revision 1
Source evidence
MCPHub: Missing Authorization on `PUT /api/system-config` Lets Any Non-Admin Rewrite Global Security Configuration
core-osv · Original sourcePublished 31 Aug 2026, 17:56 UTC
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.
osv:CVE-2026-79744
Complete source record
{
"id": "ede1e1f5330ecb606e2ed6a3e9660d24b118e4a17dd6a312c415b58c8aae9344",
"url": "https://osv.dev/vulnerability/CVE-2026-79744",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "MCPHub: Missing Authorization on `PUT /api/system-config` Lets Any Non-Admin Rewrite Global Security Configuration",
"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 1.0.29, 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.",
"evidence": "osv:CVE-2026-79744",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-79744",
"aliases": [
"CVE-2026-79744",
"GHSA-4gc8-885f-qj36"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/samanhappy/mcphub",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "9fb73ddf038122fed5ba095da35a01e3baecb011"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.0.29"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "9fb73ddf038122fed5ba095da35a01e3baecb011"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v1.0.29"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.0.29"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"v1.0.28",
"v1.0.27",
"v1.0.26",
"v1.0.25",
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"v0.4.3",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-79744.json"
}
}
],
"modified": "2026-10-28T02:30:50.742140404Z",
"provider": "osv",
"references": [
"https://github.com/samanhappy/mcphub/releases/tag/v1.0.29",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79744.json",
"https://github.com/samanhappy/mcphub/security/advisories/GHSA-4gc8-885f-qj36",
"https://nvd.nist.gov/vuln/detail/CVE-2026-79744"
],
"provider_metadata": {
"cwe_ids": [
"CWE-269",
"CWE-862"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79744.json"
}
},
"related_cves": [
{
"value": "CVE-2026-79744",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 519375,
"published_at": "2026-08-31T17:56:38.995+00:00"
}