# gemini-cli v0.59.0-nightly.20260827.g3c311beac — Release v0.59.0-nightly.20260827.g3c311beac

- Product: gemini-cli (https://whatsnew.fyi/product/gemini-cli)
- Vendor: gemini-cli
- Date: 2026-08-27
- Version: v0.59.0-nightly.20260827.g3c311beac
- Original notes: https://github.com/google-gemini/gemini-cli/releases/tag/v0.59.0-nightly.20260827.g3c311beac
- Permalink: https://whatsnew.fyi/product/gemini-cli/releases/v0.59.0-nightly.20260827.g3c311beac
- Labels: Pre-release

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **security** — Prevent SSRF in MCP OAuth metadata discovery and authentication

##### What's Changed
* fix(core): prevent SSRF in MCP OAuth metadata discovery and authentication by @josebalius in https://github.com/google-gemini/gemini-cli/pull/29081


**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.59.0-nightly.20260826.g64b5b79a6...v0.59.0-nightly.20260827.g3c311beac