{"data":{"id":"08deb3c2-f6f9-4986-8718-70b5d2c24e84","title":"CVE-2026-30617: LangChain-ChatChat 0.3.1 contains a remote code execution vulnerability in its MCP STDIO server configuration and…","summary":"LangChain-ChatChat 0.3.1 contains a remote code execution flaw in its MCP STDIO server configuration and execution handling. A remote attacker who can reach the publicly exposed MCP management interface can configure an MCP STDIO server with attacker-controlled commands and arguments, and once the server starts with MCP enabled for agent execution, arbitrary commands run within the context of the LangChain-ChatChat service.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-30617","publishedAt":"2026-04-15T16:16:36.453Z","cveId":"CVE-2026-30617","cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"critical","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":[],"affectedVendorsRaw":["LangChain-ChatChat 0.3.1"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"LangChain-ChatChat remote code execution through MCP STDIO server configuration","headlinePromptVersion":"h1","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00717,"epssCheckedAt":"2026-10-15T12:09:11.580Z","kevDateAdded":null,"advisoryAliases":["GHSA-w94v-hq49-38vh"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-10-10T03:49:28.345Z","patchAvailable":null,"disclosureDate":"2026-04-15T16:16:36.453Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity","availability"],"aiComponentTargeted":"agent","llmSpecific":false,"classifierConfidence":0.93,"researchCategory":null,"atlasIds":null}}