CVE-2026-11918

{"id": "CVE-2026-11918", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:a:ibm:contextforge_mcp_gateway:*:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "ContextForge MCP Gateway", "versions": [{"status": "affected", "version": "<= v1.0.4"}]}]}], "published": "2026-09-15T18:17:12.677", "references": [{"url": "https://www.ibm.com/support/pages/node/7285720", "source": "psirt@us.ibm.com"}], "vulnStatus": "Received", "weaknesses": [{"type": "Primary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-184"}]}], "descriptions": [{"lang": "en", "value": "IBM ContextForge MCP Gateway <= v1.0.4 IBM mcp-context-forge could allow an authenticated user to bypass protection mechanisms due to incomplete recursive inspection of nested payload content."}], "lastModified": "2026-09-15T18:17:12.677", "sourceIdentifier": "psirt@us.ibm.com"}