{"id":"CVE-2026-58201","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-58201","summary":"Lokka is a Model Context Protocol server for Microsoft 365, including Microsoft Graph and other services. Prior to 2.1.2, the Lokka-Microsoft tool in src/mcp/src/main.ts uses direct…","details":"Lokka is a Model Context Protocol server for Microsoft 365, including Microsoft Graph and other services. Prior to 2.1.2, the Lokka-Microsoft tool in src/mcp/src/main.ts uses direct URL string concatenation to append the user-controlled path value to the management.azure.com base URL. A specially crafted path can alter URL authority parsing and cause an Azure Resource Manager bearer token to be sent to an unintended host. This issue is fixed in version 2.1.2.","published":"2026-09-15T17:17:23.260","modified":"2026-09-15T17:17:23.260","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/merill/lokka/commit/babead878f44cc2face2f8ee55d8b706e420947e","label":"merill/lokka@babead8"},"references":[{"type":"WEB","url":"https://github.com/merill/lokka/commit/babead878f44cc2face2f8ee55d8b706e420947e"},{"type":"WEB","url":"https://github.com/merill/lokka/pull/47"},{"type":"WEB","url":"https://github.com/merill/lokka/security/advisories/GHSA-g2gw-q38m-vjfc"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-15T17:17:23.260"}}