CVE-2026-101084 Obot - Broken Access Control

Obot < v0.21.1 contains a broken access control vulnerability caused by failure to enforce access control rules on /mcp-connect endpoint, letting authenticated users bypass authorization to access restricted MCP servers using server ID.

CVSS base score 9.6 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.28% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-639

Vendor fix

Upgrade to version v0.21.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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