## Strands Agents SDK: Exposure of data element to wrong session in the A2A Server

- 種別: advisory
- 重大度: high
- 関連技術: python, nodejs
- CVE: CVE-2026-115419
- 公開日時: 2026-10-23T20:48:29.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-4v6f-7vjh-6x4m)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-4v6f-7vjh-6x4m

影響: pip:strands-agents < 1.43.0 → 1.43.0, npm:@strands-agents/sdk < 1.5.0 → 1.5.0
Strands Agents SDK is an open-source SDK, available for Python (strands-agents) and TypeScript (@strands-agents/sdk), for building and running AI agents. An issue exists where, under certain circumstances, the Agent2Agent (A2A) server shares conversation history across callers with different context\_id values, allowing one caller to read and influence another caller's session. Impact The A2A server did not properly isolate conversation state between callers. In multi-tenant deployments, an aut…