{"api_version":"1","generated_at":"2026-11-15T15:22:43+00:00","cve":"CVE-2026-110189","urls":{"html":"https://cve.report/CVE-2026-110189","api":"https://cve.report/api/cve/CVE-2026-110189.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-110189","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110189"},"summary":{"title":"IBM ContextForge MCP Gateway is affected by a denial of service due to an incomplete list of disallowed jq inputs","description":"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.","state":"PUBLISHED","assigner":"ibm","published_at":"2026-11-13 22:17:20","updated_at":"2026-11-13 22:17:20"},"problem_types":["CWE-184","CWE-184 CWE-184 Incomplete List of Disallowed Inputs"],"metrics":[{"version":"3.1","source":"psirt@us.ibm.com","type":"Primary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"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"}}],"references":[{"url":"https://www.ibm.com/support/pages/node/7296697","name":"https://www.ibm.com/support/pages/node/7296697","refsource":"psirt@us.ibm.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110189","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110189","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"IBM","product":"ContextForge MCP Gateway","version":"affected 1.0.8 1.0.11 semver","platforms":[]},{"source":"CNA","vendor":"IBM","product":"ContextForge MCP Gateway","version":"affected 1.1.0 semver","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"IBM strongly recommends addressing the vulnerability now.\n\nProduct(s)Version(s) number and/or range Remediation/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 ]","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"None. IBM strongly recommends upgrading to the fixed version.","time":"","lang":"en"}],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"110189","cve":"CVE-2026-110189","epss":"0.004790000","percentile":"0.419140000","score_date":"2026-11-14","updated_at":"2026-11-15 00:06:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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>"}],"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."}],"metrics":[{"cvssV3_1":{"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-184","description":"CWE-184 Incomplete List of Disallowed Inputs","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-13T21:43:26.623Z","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7296697"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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 </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>"}],"value":"IBM strongly recommends addressing the vulnerability now.\n\nProduct(s)Version(s) number and/or range Remediation/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 ]"}],"title":"IBM ContextForge MCP Gateway is affected by a denial of service due to an incomplete list of disallowed jq inputs","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<div><div>None. IBM strongly recommends upgrading to the fixed version.</div></div>"}],"value":"None. IBM strongly recommends upgrading to the fixed version."}]}},"cveMetadata":{"assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","assignerShortName":"ibm","cveId":"CVE-2026-110189","datePublished":"2026-11-13T21:43:26.623Z","dateReserved":"2026-10-13T17:24:47.069Z","dateUpdated":"2026-11-13T21:43:26.623Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-13 22:17:20","lastModifiedDate":"2026-11-13 22:17:20","problem_types":["CWE-184","CWE-184 CWE-184 Incomplete List of Disallowed Inputs"],"metrics":{"cvssMetricV31":[{"source":"psirt@us.ibm.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"110189","Ordinal":"1","Title":"IBM ContextForge MCP Gateway is affected by a denial of service ","CVE":"CVE-2026-110189","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"110189","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"IBM ContextForge MCP Gateway is affected by a denial of service "}]}}}