CVE-2026-23808 Client Isolation Bypass via GTK Manipulation

A vulnerability has been identified in a standardized wireless roaming protocol that could enable a malicious actor to install an attacker-controlled Group Temporal Key GTK on a client device. Successful exploitation of this vulnerability could allow a remote malicious actor to perform unauthoriz...

CVE-2026-23808

A vulnerability has been identified in a standardized wireless roaming protocol that could enable a malicious actor to install an attacker-controlled Group Temporal Key GTK on a client device. Successful exploitation of this vulnerability could allow a remote malicious actor to perform unauthoriz...

PT-2026-22942

Name of the Vulnerable Software and Affected Versions affected versions not specified Description A flaw exists in a standardized wireless roaming protocol that may allow an attacker to install a manipulated Group Temporal Key GTK on a client device. Exploitation of this issue could lead to...

CVE-2026-25536

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...

CVE-2026-25536 @modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

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...

CVE-2026-25536 @modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

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...

CVE-2026-25536

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...

CVE-2026-25536

CVE-2026-25536 affects the MCP TypeScript SDK. From versions 1.10.0 through 1.25.3, cross‑client data can leak when a single McpServer/Server and transport instance is reused across multiple client connections (notably in stateless StreamableHTTPServerTransport deployments). The issue arises from...

CVE-2026-25536 @modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

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...

EUVD-2026-5335

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...

GHSA-345P-7CG4-V4C7 @modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

Summary Cross-client data leak via two distinct issues: 1 reusing a single StreamableHTTPServerTransport across multiple client requests, and 2 reusing a single McpServer/Server instance across multiple transports. Both are most common in stateless deployments. Impact This advisory covers two...

PT-2026-6315

Name of the Vulnerable Software and Affected Versions MCP TypeScript SDK versions 1.10.0 through 1.25.3 Description The MCP TypeScript SDK, designed for Model Context Protocol servers and clients, exhibits a cross-client response data leak. This occurs when a single McpServer/Server and transport...

CVE-2025-14777

A flaw was found in Keycloak. An IDOR Broken Access Control vulnerability exists in the admin API endpoints for authorization resource management, specifically in ResourceSetService and PermissionTicketService. The system checks authorization against the resourceServer client ID provided in the A...

CVE-2025-14777 Keycloak: keycloak idor in realm client creating/deleting

A flaw was found in Keycloak. An IDOR Broken Access Control vulnerability exists in the admin API endpoints for authorization resource management, specifically in ResourceSetService and PermissionTicketService. The system checks authorization against the resourceServer client ID provided in the A...

EUVD-2025-203501

A flaw was found in Keycloak. An IDOR Broken Access Control vulnerability exists in the admin API endpoints for authorization resource management, specifically in ResourceSetService and PermissionTicketService. The system checks authorization against the resourceServer client ID provided in the A...

CVE-2025-14777

Keycloak vulnerability CVE-2025-14777 is an IDOR in admin API endpoints for authorization resource management, affecting ResourceSetService and PermissionTicketService. The backend uses resourceId for DB lookups while authorization checks compare the resourceServer (client) ID provided in the req...

CVE-2025-14777

A flaw was found in Keycloak. An IDOR Broken Access Control vulnerability exists in the admin API endpoints for authorization resource management, specifically in ResourceSetService and PermissionTicketService. The system checks authorization against the resourceServer client ID provided in the A...

PT-2025-51367

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A broken access control issue was identified in Keycloak’s admin API endpoints related to authorization resource management, specifically within the ResourceSetService and...

CVE-2025-22956

OPSI before 4.3 allows any client to retrieve any ProductPropertyState, including those of other clients. This can lead to privilege escalation if any ProductPropertyState contains a secret only intended to be accessible by a subset of clients. One example of this is a domain join account passwor...

PT-2025-36466

Name of the Vulnerable Software and Affected Versions: OPSI versions prior to 4.3 Description: OPSI allows any client to retrieve any ProductPropertyState, including those of other clients. This can lead to privilege escalation if any ProductPropertyState contains a secret intended to be accessib...