{"data":{"id":"706f8acc-688a-4a20-9962-b8171cc4a81d","title":"GHSA-rvq5-wwqv-78pq: MCP TypeScript SDK: Server bearer authentication accepted tokens issued for another service","summary":null,"solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-rvq5-wwqv-78pq","publishedAt":"2026-10-20T19:43:36.000Z","cveId":"CVE-2026-111771","cweIds":null,"cvssScore":null,"cvssSeverity":"medium","severity":"medium","attackType":["other"],"issueType":"vulnerability","affectedPackages":["@modelcontextprotocol/server-legacy@>= 2.0.0, < 2.3.1 (fixed: 2.3.1)","@modelcontextprotocol/express@>= 2.0.0, < 2.0.2 (fixed: 2.0.2)","@modelcontextprotocol/server@>= 2.0.0, < 2.3.0 (fixed: 2.3.0)","@modelcontextprotocol/sdk@>= 1.6.0, < 1.32.0 (fixed: 1.32.0)"],"affectedPackageNames":["@modelcontextprotocol/server-legacy","@modelcontextprotocol/express","@modelcontextprotocol/server","@modelcontextprotocol/sdk"],"affectedPackageRefs":["npm:@modelcontextprotocol/server-legacy","npm:@modelcontextprotocol/express","npm:@modelcontextprotocol/server","npm:@modelcontextprotocol/sdk"],"affectedVendors":[],"affectedVendorsRaw":["MCP TypeScript SDK","Model Context Protocol"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0,"epssCheckedAt":"2026-10-21T00:11:14.898Z","kevDateAdded":null,"advisoryAliases":["GHSA-rvq5-wwqv-78pq"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":true,"disclosureDate":"2026-10-20T19:43:36.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality"],"aiComponentTargeted":"api","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}