{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-115751", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-23T12:59:06.676Z", "datePublished": "2026-10-23T13:03:33.492Z", "dateUpdated": "2026-10-29T17:42:32.687Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-23T13:03:33.492Z" }, "datePublic": "2026-10-20T03:22:53.000Z", "title": "mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts Bypass via Trailing-Dot Hostname", "descriptions": [ { "lang": "en", "value": "Agentfront mcp-from-openapi from 2.2.0 before 2.9.0 contains a server-side request forgery vulnerability that allows attackers to bypass the ssrf.blockedHosts denylist using trailing-dot hostnames. Attackers who control an OpenAPI spec URL or redirect target can append a root dot to a blocked hostname to fetch content from operator-blocked hosts." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Incomplete List of Disallowed Inputs", "cweId": "CWE-184", "type": "CWE" } ] } ], "affected": [ { "vendor": "agentfront", "product": "mcp-from-openapi", "defaultStatus": "unaffected", "versions": [ { "version": "2.2.0", "lessThan": "2.9.0", "status": "affected", "versionType": "semver" } ], "packageURL": "pkg:npm/mcp-from-openapi", "repo": "https://github.com/agentfront/mcp-from-openapi" } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:frontmcp:mcp-from-openapi:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.2.0", "versionEndExcluding": "2.9.0" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW" } } ], "references": [ { "url": "https://github.com/agentfront/mcp-from-openapi/security/advisories/GHSA-ff5q-5r4v-fw4v", "tags": [ "vendor-advisory" ], "name": "GitHub Security Advisory (GHSA-ff5q-5r4v-fw4v)" }, { "url": "https://github.com/agentfront/mcp-from-openapi/pull/42", "tags": [ "issue-tracking", "patch" ] }, { "url": "https://github.com/agentfront/mcp-from-openapi/commit/47fb7a655de33958b0c923490ab244343eb5fc44", "tags": [ "patch" ] }, { "url": "https://github.com/agentfront/mcp-from-openapi/releases/tag/v2.9.0", "tags": [ "release-notes" ], "name": "mcp-from-openapi v2.9.0 Release Notes" }, { "name": "VulnCheck Advisory: mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts Bypass via Trailing-Dot Hostname", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/mcp-from-openapi-2.2.0-before-2.9.0-ssrf-blockedhosts-bypass-via-trailing-dot-hostname" } ], "credits": [ { "lang": "en", "value": "Zachariah Mithani (AploSec)", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "references": [ { "url": "https://github.com/agentfront/mcp-from-openapi/security/advisories/GHSA-ff5q-5r4v-fw4v", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-29T17:41:55.395840Z", "id": "CVE-2026-115751", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-29T17:42:32.687Z" } } ] } }