Vulnerability in Agentfront Mcp-From-Openapi
CVE-2026-115751
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/agentfront/mcp-from-openapi/commit/47fb7a655de33958b0c923490ab244343… (patch)
- github.com/agentfront/mcp-from-openapi/pull/42 (issue-tracking, patch)
- github.com/agentfront/mcp-from-openapi/releases/tag/v2.9.0 (release-notes)
- github.com/agentfront/mcp-from-openapi/security/advisories/GHSA-ff5q-5r4v-fw4v (vendor-advisory)
- www.vulncheck.com/advisories/mcp-from-openapi-2.2.0-before-2.9.0-ssrf-blockedho… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-115751?
- CVE-2026-115751 is a low-severity vulnerability in Agentfront Mcp-From-Openapi, classified under Incomplete List of Disallowed Inputs. CVSS score: 3.7/10. Published 2026-10-23.
- How severe is CVE-2026-115751?
- Low severity. CVSS v3 base score is 3.7 out of 10.