CVE-2026-115751
CVE-2026-115751 · mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts Bypass via Trailing-Dot Hostname
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.3 · Medium · Fix available
- Published
- Updated
Affected products and versions
mcp-from-openapi
- Versions
- ≥ 2.2.0, < 2.9.0: Affected (semver)
Update to 2.9.0
Original sources
- https://github.com/agentfront/mcp-from-openapi/security/advisories/GHSA-ff5q-5r4v-fw4v
- https://github.com/agentfront/mcp-from-openapi/pull/42
- https://github.com/agentfront/mcp-from-openapi/commit/47fb7a655de33958b0c923490ab244343eb5fc44
- https://github.com/agentfront/mcp-from-openapi/releases/tag/v2.9.0
- https://www.vulncheck.com/advisories/mcp-from-openapi-2.2.0-before-2.9.0-ssrf-blockedhosts-bypass-via-trailing-dot-hostname
- https://nvd.nist.gov/vuln/detail/CVE-2026-115751