CVE-2026-25536

high Red Hat
CVSS v3 Base Score
7.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Published: February 4, 2026
Last Modified: February 4, 2026
Vendor: Red Hat

Description

MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. From version 1.10.0 to 1.25.3, cross-client response data leak when a single McpServer/Server and transport instance is reused across multiple client connections, most commonly in stateless StreamableHTTPServerTransport deployments. This issue has been patched in version 1.26.0.

CWE

CWE-367

Affected Products

Red Hat Ansible Automation Platform 2.6

Fix Status

✅ Fix Available

References