# CVE-2026-101084

## Summary

- **CVE ID:** CVE-2026-101084
- **Severity:** CRITICAL
- **CVSS Score:** 9.6 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N)
- **CWE:** CWE-639
- **Published:** Sep 27, 2026
- **Last Modified:** Sep 30, 2026

## Description

obot versions before v0.21.1 fail to enforce Access Control Rules on the /mcp-connect endpoint, allowing any authenticated user to connect to restricted MCP servers if they possess the server ID. Attackers can bypass authorization checks to access and manipulate sensitive backend systems through MCP tool calls using stored OAuth credentials.

## Affected Products

- obot-platform — obot (0)
- obot-platform — obot (0.21.1)

## References

- [CNA](https://github.com/obot-platform/obot/security/advisories/GHSA-vw82-7fv8-r6gp)
- [CNA](https://www.vulncheck.com/advisories/obot-before-0.21.1-authorization-bypass-via-mcp-connect)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.28%
- **EPSS Percentile:** 18.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-10-11._