{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9077","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","state":"PUBLISHED","assignerShortName":"ibm","dateReserved":"2026-05-20T12:47:05.715Z","datePublished":"2026-08-05T16:24:43.123Z","dateUpdated":"2026-08-05T18:11:44.684Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm","dateUpdated":"2026-08-05T16:24:43.123Z"},"title":"Reliance on Untrusted Inputs in a Security Decision vulnerabilities in Model Context Protocol features","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-807","description":"CWE-807 Reliance on Untrusted Inputs in a Security Decision","type":"CWE"}]}],"affected":[{"vendor":"IBM","product":"Langflow OSS","versions":[{"status":"affected","version":"1.0.0","lessThanOrEqual":"1.10.3","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.10.3:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"IBM Langflow OSS 1.0.0 through 1.10.3 Langflow allows remote authenticated attackers to bypass localhost-only restrictions and write arbitrary MCP server configurations to IDE configuration files on the host system.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM Langflow OSS 1.0.0 through 1.10.3 Langflow allows remote authenticated attackers to bypass localhost-only restrictions and write arbitrary MCP server configurations to IDE configuration files on the host system.</p>"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7282147","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":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"HIGH","baseScore":8.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N"}}],"solutions":[{"lang":"en","value":"IBM recommends upgrading to Langflow OSS 1.11.0 or newer  https://github.com/langflow-ai/langflow/releases","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM recommends upgrading to Langflow OSS 1.11.0 or newer <a href=\"https://github.com/langflow-ai/langflow/releases\" rel=\"nofollow\">https://github.com/langflow-ai/langflow/releases</a></p>"}]}],"credits":[{"lang":"en","value":"CVEs reported to IBM: CVE-2026-8446 by odgrso (GMO CyberSecurity by Ierae, Inc.); CVE-2026-17626 by Thai Son Dinh (VinSOC Labs, (R&amp;D).","type":"finder"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T18:11:36.844712Z","id":"CVE-2026-9077","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-05T18:11:44.684Z"}}]}}