{"data":{"id":"d1a49a2a-c4c2-4b4e-b053-996eea866d18","title":"CVE-2026-18954 - Incorrect authorization in the aggregation pipeline tool in Amazon AWS Labs DocumentDB MCP Server","summary":"CVE-2026-18954 is an incorrect authorization issue in the aggregation pipeline tool of the Amazon DocumentDB MCP Server, an open-source Model Context Protocol server for AI assistants. Write-capable pipeline stages ($out, $merge) bypass the read-only mode enforcement, potentially letting an authenticated MCP client perform write operations on the connected database. Impacted versions are below 1.0.12.","solution":"Fixed in 1.0.12 or later. The source otherwise directs readers to the linked AWS Security Bulletin article for complete information.","labels":["security"],"sourceUrl":"https://aws.amazon.com/security/security-bulletins/rss/2026-076-aws/","publishedAt":"2026-08-05T23:23:30.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["Amazon"],"affectedVendorsRaw":["Amazon DocumentDB MCP Server","Model Context Protocol (MCP) server","Amazon DocumentDB"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-08-05T23:23:30.000Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["integrity"],"aiComponentTargeted":"plugin","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null,"fixes":[]}}