GitHub Actions + Rust's Miri can leak your CI secrets; GPT-6 Astra helped find it

charliermarsh · x · 2026-09-22

Predrag Gruevski disclosed that running Rust's Miri in CI can leak secrets stored in GitHub Actions. Affected users should upgrade to the 2026-09-22 nightly, clear caches, and rotate any secrets the cargo miri CI job had access to. GPT-6 Astra reportedly helped find the issue.

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