{"id":"CVE-2026-115751","summary":"mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts Bypass via Trailing-Dot Hostname","details":"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.","aliases":["CVE-2026-115750","GHSA-ff5q-5r4v-fw4v"],"modified":"2026-10-31T02:31:04.068960638Z","published":"2026-10-23T13:03:33.492Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-184"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115751.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115751.json"},{"type":"ADVISORY","url":"https://github.com/agentfront/mcp-from-openapi/releases/tag/v2.9.0"},{"type":"ADVISORY","url":"https://github.com/agentfront/mcp-from-openapi/security/advisories/GHSA-ff5q-5r4v-fw4v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115751"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/mcp-from-openapi-2.2.0-before-2.9.0-ssrf-blockedhosts-bypass-via-trailing-dot-hostname"},{"type":"FIX","url":"https://github.com/agentfront/mcp-from-openapi/commit/47fb7a655de33958b0c923490ab244343eb5fc44"},{"type":"FIX","url":"https://github.com/agentfront/mcp-from-openapi/pull/42"},{"type":"PACKAGE","url":"https://github.com/agentfront/mcp-from-openapi"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/agentfront/mcp-from-openapi","events":[{"introduced":"4e888d7f956ad6897620b0bf275ec18b9649307f"},{"fixed":"8e46e6596dc4de98de63243d10f390b82ef49061"},{"fixed":"47fb7a655de33958b0c923490ab244343eb5fc44"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"2.2.0"},{"fixed":"2.9.0"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"},{"range":[{"fixed":"47fb7a655de33958b0c923490ab244343eb5fc44"}],"source":"REFERENCES_COMMIT"},{"original_tag":"v2.9.0","range":[{"fixed":"8e46e6596dc4de98de63243d10f390b82ef49061"}],"source":"REFERENCES_TAG"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-115751.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"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"}]}