CVE-2026-49291

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{"affected": [{"affectedData": [{"product": "mcp-memory-service", "vendor": "doobidoo", "versions": [{"status": "affected", "version": "< 10.65.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "mcp-memory-service is a semantic memory layer for AI applications. Prior to version 10.65.3, the HTTP MCP JSON-RPC endpoint at `/mcp` requires only OAuth `read` scope for all requests, then dispatches `tools/call` directly to handlers that include mutating tools. A read-only OAuth client can call `store_memory` and `delete_memory` through MCP even though the corresponding REST endpoints require `write` scope. Version 10.65.3 patches the issue."}, {"lang": "es", "value": "mcp-memory-service es una capa de memoria sem\u00e1ntica para aplicaciones de IA. Antes de la versi\u00f3n 10.65.3, el endpoint HTTP MCP JSON-RPC en \u2019/mcp\u2019 requiere solo el \u00e1mbito \u2019read\u2019 de OAuth para todas las solicitudes, luego despacha \u2019tools/call\u2019 directamente a manejadores que incluyen herramientas mutantes. Un cliente OAuth de solo lectura puede llamar a \u2019store_memory\u2019 y \u2019delete_memory\u2019 a trav\u00e9s de MCP, aunque los endpoints REST correspondientes requieran el \u00e1mbito \u2019write\u2019. La versi\u00f3n 10.65.3 corrige el problema."}], "id": "CVE-2026-49291", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49291", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-22T17:07:36.136160Z", "version": "2.0.3"}}]}, "published": "2026-06-19T19:16:36.170", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/doobidoo/mcp-memory-service/security/advisories/GHSA-2r68-g678-7qr3"}, {"source": "security-advisories@github.com", "url": "https://pypi.org/project/mcp-memory-service/10.65.3"}, {"source": "security-advisories@github.com", "url": "https://web.archive.org/web/20260508112116/https://github.com/doobidoo/mcp-memory-service/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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