{"data":{"id":"e446e79d-7944-42f0-a3aa-532a46a7a259","title":"GHSA-84hp-mqvj-3p8h: mcp-memory-service: Missing Authentication on Document API Endpoints Allows Unauthenticated Memory Read/Write/Delete","summary":"All HTTP routes under /api/documents/* in mcp-memory-service are served without any authentication dependency, even when MCP_API_KEY or OAuth is configured. An unauthenticated remote attacker can upload content into the memory store, retrieve stored document content, and permanently delete memories belonging to authenticated users. The /api/memories routes enforce authentication, which makes the boundary inconsistent. The source rates it CVSS 9.8 Critical.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-84hp-mqvj-3p8h","publishedAt":"2026-07-02T15:26:23.000Z","cveId":"CVE-2026-50027","cweIds":null,"cvssScore":null,"cvssSeverity":"critical","severity":"critical","attackType":["other"],"issueType":"vulnerability","affectedPackages":["mcp-memory-service@< 10.67.1 (fixed: 10.67.1)"],"affectedPackageNames":["mcp-memory-service"],"affectedPackageRefs":["pypi:mcp-memory-service"],"affectedVendors":[],"affectedVendorsRaw":["mcp-memory-service","MCP memory service"],"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":0.00959,"epssCheckedAt":"2026-10-14T18:05:59.144Z","kevDateAdded":null,"advisoryAliases":["GHSA-84hp-mqvj-3p8h"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":true,"disclosureDate":"2026-07-02T15:26:23.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity","availability"],"aiComponentTargeted":"api","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}