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vuln-cve/data/2026/53xxx/CVE-2026-53709.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-53709",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-10T16:43:31.241Z",
"datePublished": "2026-10-13T14:32:12.137Z",
"dateUpdated": "2026-10-16T21:59:50.970Z"
},
"containers": {
"cna": {
"title": "MCP Context Forge: Hardcoded default JWT_SECRET_KEY shipped in source and .env.example enables pre-authentication platform admin token forgery",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"lang": "en",
"description": "CWE-287: Improper Authentication",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-321",
"lang": "en",
"description": "CWE-321: Use of Hard-coded Cryptographic Key",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-798",
"lang": "en",
"description": "CWE-798: Use of Hard-coded Credentials",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-1188",
"lang": "en",
"description": "CWE-1188: Insecure Default Initialization of Resource",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/IBM/mcp-context-forge/security/advisories/GHSA-m8rv-5m6m-32ff",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/IBM/mcp-context-forge/security/advisories/GHSA-m8rv-5m6m-32ff"
},
{
"name": "https://github.com/IBM/mcp-context-forge/commit/2af690f894b6e35f5f21190fdab1505f023a5272",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/IBM/mcp-context-forge/commit/2af690f894b6e35f5f21190fdab1505f023a5272"
},
{
"name": "https://github.com/IBM/mcp-context-forge/releases/tag/v1.0.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/IBM/mcp-context-forge/releases/tag/v1.0.2"
}
],
"affected": [
{
"vendor": "IBM",
"product": "mcp-context-forge",
"versions": [
{
"version": "< 1.0.2",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-10-13T14:32:12.137Z"
},
"descriptions": [
{
"lang": "en",
"value": "MCP Context Forge is an MCP gateway and administrative platform. Prior to 1.0.2, mcpgateway/config.py and .env.example ship a known JWT_SECRET_KEY, while verify_jwt_token() accepts HS256 tokens signed with that key and get_current_user() creates a platform administrator when the token subject matches PLATFORM_ADMIN_EMAIL and REQUIRE_USER_IN_DB is false. A remote unauthenticated attacker can therefore mint accepted administrator tokens without a database account. While the vulnerable signing key remains configured and the platform-admin bootstrap remains enabled, forged access survives password rotation, account deletion, and session revocation, allowing administrative disclosure, modification, and service disruption. This issue is fixed in version 1.0.2."
}
],
"source": {
"advisory": "GHSA-m8rv-5m6m-32ff",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-16T21:59:27.134623Z",
"id": "CVE-2026-53709",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"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": "2026-10-16T21:59:50.970Z"
}
}
]
}
}