CVE-2026-103758
Obot 0.21.1 through 0.24.1 Authorization Bypass via /mcp-connect-composite/ Route
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-863 |
| Vendor | obot-platform |
| Product | obot |
| Published | Oct 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
obot-platform / obot
0.21.1 ≤ 0.24.1
References
Credits
🔍 arpitjain099