GC
Gemini CLI v0.59.0
Released · Google
Announcements: v0.59.0 - 2026-09-08
What the release notes say
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MCP OAuth SSRF Mitigation: Prevented Server-Side Request Forgery (SSRF) during Model Context Protocol (MCP) OAuth metadata discovery and authentication ( #29081 by @josebalius).
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Fail-Closed Workspace Trust: Enforced a secure, fail-closed workspace trust policy and filtered available mcpServers when operating in restricted mode ( #29099 by @luisfelipe-alt).