163 lines
6.5 KiB
JSON
163 lines
6.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-39885",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-04-07T20:32:03.010Z",
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"datePublished": "2026-04-08T20:34:20.538Z",
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"dateUpdated": "2026-04-09T16:16:59.067Z"
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},
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"containers": {
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"cna": {
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"title": "FrontMCP Affected by SSRF via $ref Dereferencing in Untrusted OpenAPI Specifications",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-918",
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"lang": "en",
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"description": "CWE-918: Server-Side Request Forgery (SSRF)",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/agentfront/frontmcp/security/advisories/GHSA-v6ph-xcq9-qxxj",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/agentfront/frontmcp/security/advisories/GHSA-v6ph-xcq9-qxxj"
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},
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{
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"name": "https://github.com/agentfront/frontmcp/releases/tag/v1.0.4",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/agentfront/frontmcp/releases/tag/v1.0.4"
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}
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],
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"affected": [
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{
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"vendor": "agentfront",
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"product": "frontmcp",
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"versions": [
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{
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"version": "< 1.0.4",
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"status": "affected"
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}
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]
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},
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{
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"vendor": "@frontmcp",
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"product": "adapters",
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"versions": [
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{
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"version": "< 1.0.4",
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"status": "affected"
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}
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]
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},
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{
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"vendor": "@frontmcp",
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"product": "sdk",
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"versions": [
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{
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"version": "< 1.0.4",
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"status": "affected"
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}
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]
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},
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{
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"vendor": "frontmcp",
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"product": "mcp-from-openapi",
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"versions": [
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{
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"version": "< 2.3.0",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-04-08T20:34:20.538Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "FrontMCP is a TypeScript-first framework for the Model Context Protocol (MCP). Prior to 2.3.0, the mcp-from-openapi library uses @apidevtools/json-schema-ref-parser to dereference $ref pointers in OpenAPI specifications without configuring any URL restrictions or custom resolvers. A malicious OpenAPI specification containing $ref values pointing to internal network addresses, cloud metadata endpoints, or local files will cause the library to fetch those resources during the initialize() call. This enables Server-Side Request Forgery (SSRF) and local file read attacks when processing untrusted OpenAPI specifications. This vulnerability is fixed in 2.3.0."
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}
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],
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"source": {
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"advisory": "GHSA-v6ph-xcq9-qxxj",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/agentfront/frontmcp/security/advisories/GHSA-v6ph-xcq9-qxxj",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-04-09T14:53:12.471902Z",
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"id": "CVE-2026-39885",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-04-09T16:16:59.067Z"
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}
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}
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]
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}
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} |