CVE-2026-49291
| Summary |
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.
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| Publication Date |
June 20, 2026, 4:16 a.m. |
| Registration Date |
June 27, 2026, 4:06 a.m. |
| Last Update |
June 24, 2026, 12:59 a.m. |
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CVSS3.1 : HIGH
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| スコア |
8.1
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| Vector |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
低 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
高 |
| 可用性への影響(A) |
高 |
Related information, measures and tools
Common Vulnerabilities List