EUVD-2026-117156

tsParticles: A single anonymous MCP session can monopolize HTTP mode and deny new clients...

CVE-2026-76893

tsParticles is a TypeScript library for creating highly customizable particle animations. Prior to 4.3.2, the HTTP mode of @tsparticles/mcp-server reuses one stateful StreamableHTTPServerTransport for every client. An unauthenticated client that sends the first initialize request without an...

CVE-2026-76893 tsParticles: A single anonymous MCP session can monopolize HTTP mode and deny new clients

tsParticles is a TypeScript library for creating highly customizable particle animations. Prior to 4.3.2, the HTTP mode of @tsparticles/mcp-server reuses one stateful StreamableHTTPServerTransport for every client. An unauthenticated client that sends the first initialize request without an...

CVE-2026-76893

tsParticles is a TypeScript library for creating highly customizable particle animations. Prior to 4.3.2, the HTTP mode of @tsparticles/mcp-server reuses one stateful StreamableHTTPServerTransport for every client. An unauthenticated client that sends the first initialize request without an...

tsParticles resource management error vulnerability

Versions of tsParticles prior to 4.3.2 and @tsParticles/mcp-server prior to 4.3.2 contain a resource management error vulnerability. This vulnerability arises because the HTTP mode of @tsParticles/mcp-server reuses the same stateful StreamableHTTPServerTransport for every client. Unauthenticated...

CVE-2026-76893: tsparticles, @tsparticles: tsParticles is a TypeScript library for creating highly customizable particle animations

tsParticles is a TypeScript library for creating highly customizable particle animations. Prior to 4.3.2, the HTTP mode of @tsparticles/mcp-server reuses one stateful StreamableHTTPServerTransport for every client. An unauthenticated client that sends the first initialize request without an...

CVE-2026-121419

SurrealDB versions 3.1.0 through 3.3.0 are vulnerable to an improper authentication vulnerability. The flaw exists because the MCP BoundSubject fingerprint utilizes the access method name rather than a unique per-user identity for JWT/Bearer access. This oversight allows an attacker possessing a ...

agent-router: MCP session resume does not verify the embedded anti-hijacking subject; default Helm seed makes session IDs forgeable

Summary The MCP proxy's client-facing session ID embeds the authenticated caller's subject JWT sub claim specifically as an anti-hijacking discriminator — matching the Model Context Protocol specification's documented session-hijacking guidance...

GHSA-953H-535J-JG2V agent-router: MCP session resume does not verify the embedded anti-hijacking subject; default Helm seed makes session IDs forgeable

Summary The MCP proxy's client-facing session ID embeds the authenticated caller's subject JWT sub claim specifically as an anti-hijacking discriminator — matching the Model Context Protocol specification's documented session-hijacking guidance...

PT-2026-132718

Summary The MCP proxy's client-facing session ID embeds the authenticated caller's subject JWT sub claim specifically as an anti-hijacking discriminator — matching the Model Context Protocol specification's documented session-hijacking guidance...

CVE-2026-79537

metatool-ai MetaMCP through 2.4.22 contains an insecure direct object reference IDOR in the MCP transport session dispatch. The session store getSession in session-lifetime-manager.ts is keyed only by the client-supplied mcp-session-id header with no owner, namespace, or endpoint binding, and the...

EUVD-2026-89362

metatool-ai MetaMCP through 2.4.22 contains an insecure direct object reference IDOR in the MCP transport session dispatch. The session store getSession in session-lifetime-manager.ts is keyed only by the client-supplied mcp-session-id header with no owner, namespace, or endpoint binding, and the...

CVE-2026-79537

metatool-ai MetaMCP through 2.4.22 contains an insecure direct object reference IDOR in the MCP transport session dispatch. The session store getSession in session-lifetime-manager.ts is keyed only by the client-supplied mcp-session-id header with no owner, namespace, or endpoint binding, and the...

CVE-2026-79537

metatool-ai MetaMCP through 2.4.22 contains an insecure direct object reference IDOR in the MCP transport session dispatch. The session store getSession in session-lifetime-manager.ts is keyed only by the client-supplied mcp-session-id header with no owner, namespace, or endpoint binding, and the...

CVE-2026-79537

metatool-ai MetaMCP through 2.4.22 contains an insecure direct object reference IDOR in the MCP transport session dispatch. The session store getSession in session-lifetime-manager.ts is keyed only by the client-supplied mcp-session-id header with no owner, namespace, or endpoint binding, and the...

CVE-2026-79537

metatool-ai MetaMCP versions through 2.4.22 are vulnerable to an Insecure Direct Object Reference (IDOR) in the MCP transport session dispatch. The root cause is that the session store (getSession in session-lifetime-manager.ts) is keyed solely by the client-supplied mcp-session-id header without...

CVE-2026-52869

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.27.2, the SSE and stateful Streamable HTTP transports mcp.server.sse.SseServerTransport and mcp.server.streamablehttpmanager.StreamableHTTPSessionManager route requests to existing...