CVE-2026-101084
obot versions before v0.21.1 fail to enforce Access Control Rules on the /mcp-connect endpoint…
- Risk score
- 62/100
- CVSS
- 9.6 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 27 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 s…
- Affected
- See advisory
- Fix
- Upgrade the product to 0.21.1 or later.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.6 critical
References
Original 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.
Last activity 27 Sep 2026. Patch Forecast updates every hour.