{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-110189", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-10-13T17:24:47.069Z", "datePublished": "2026-11-13T21:43:26.623Z", "dateUpdated": "2026-11-13T21:43:26.623Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-11-13T21:43:26.623Z"}, "title": "IBM ContextForge MCP Gateway is affected by a denial of service due to an incomplete list of disallowed jq inputs", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-184", "description": "CWE-184 Incomplete List of Disallowed Inputs", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "ContextForge MCP Gateway", "versions": [{"status": "affected", "version": "1.0.8", "lessThanOrEqual": "1.0.11", "versionType": "semver"}, {"status": "affected", "version": "1.1.0", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:contextforge_mcp_gateway:1.0.8:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:contextforge_mcp_gateway:1.0.11:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM ContextForge MCP Gateway 1.0.8 through 1.0.11, and v1.1.0 is vulnerable to denial of service due to an incomplete denylist in the jq filter guard module (CWE-184). An authenticated remote attacker can supply a crafted `jsonpath_filter` value containing `halt`, `halt_error`, or unbounded-loop built-ins that bypass the safety check, causing gateway worker process termination or sustained resource exhaustion.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM ContextForge MCP Gateway 1.0.8 through 1.0.11, and v1.1.0 is vulnerable to denial of service due to an incomplete denylist in the jq filter guard module (CWE-184). An authenticated remote attacker can supply a crafted `jsonpath_filter` value containing `halt`, `halt_error`, or unbounded-loop built-ins that bypass the safety check, causing gateway worker process termination or sustained resource exhaustion.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7296697", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}}], "workarounds": [{"lang": "en", "value": "None. IBM strongly recommends upgrading to the fixed version.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div><div>None. IBM strongly recommends upgrading to the fixed version.</div></div>"}]}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now.\n\nProduct(s)Version(s) number and/or range\u00a0Remediation/Fix/InstructionsIBM ContextForge MCP Gatewayv1.1.1Install or upgrade to v1.1.1 [ v1.1.1 Release notes https://github.com/IBM/mcp-context-forge/releases/tag/v1.1.1 ]", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><strong>IBM strongly recommends addressing the vulnerability now.</strong></p><div><table><tbody><tr><td><strong>Product(s)</strong></td><td><strong>Version(s) number and/or range\u00a0</strong></td><td><strong>Remediation/Fix/Instructions</strong></td></tr><tr><td>IBM ContextForge MCP Gateway</td><td>v1.1.1</td><td>Install or upgrade to v1.1.1 [<a href=\"https://github.com/IBM/mcp-context-forge/releases/tag/v1.1.1\" rel=\"nofollow\">v1.1.1 Release notes</a>]</td></tr></tbody></table></div><p></p><p></p>"}]}]}}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:contextforge_mcp_gateway:1.0.8:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:contextforge_mcp_gateway:1.0.11:*:*:*:*:*:*:*"], "product": "ContextForge MCP Gateway", "vendor": "IBM", "versions": [{"lessThanOrEqual": "1.0.11", "status": "affected", "version": "1.0.8", "versionType": "semver"}, {"status": "affected", "version": "1.1.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM ContextForge MCP Gateway 1.0.8 through 1.0.11, and v1.1.0 is vulnerable to denial of service due to an incomplete denylist in the jq filter guard module (CWE-184). An authenticated remote attacker can supply a crafted `jsonpath_filter` value containing `halt`, `halt_error`, or unbounded-loop built-ins that bypass the safety check, causing gateway worker process termination or sustained resource exhaustion."}], "id": "CVE-2026-110189", "lastModified": "2026-11-13T22:17:20.463", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-11-13T22:17:20.363", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7296697"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-184"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

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