{"id":"CVE-2026-101084","title":"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","summary":"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…","severity":"critical","cvss":9.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","cwe":["CWE-639"],"vendor":"obot-platform","product":"obot","affected":["obot < 0.21.1"],"published":"2026-09-27","updated":"2026-09-27","sourceUpdated":"2026-09-27T21:17:02.163","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-101084","references":[{"url":"https://github.com/obot-platform/obot/security/advisories/GHSA-vw82-7fv8-r6gp","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/obot-before-0.21.1-authorization-bypass-via-mcp-connect","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-27T20:58:01.543Z","slug":"CVE-2026-101084","body":"## Overview\n\nobot 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":52.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}