Is CVE-2026-103758 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-103758?

CVE-2026-103758 has a CVSS v3 severity of HIGH (8.1).

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CVE-2026-103758

Description

Obot 0.21.1 through 0.24.1 contains an authorization bypass vulnerability that allows authenticated users to reach MCP servers because the checkUI deny list omits the /mcp-connect-composite/ route. Basic-role users with a composite MCP ID can proxy requests through mcpGateway.Proxy to invoke tools on MCP servers restricted by Access Control Rules.