GitHub Actions leaking secrets when Miri output is cached

The Rust Security Response Team reports that Miri stores environment variables in target/, where they can persist in caches. Combined with GitHub Actions caching behavior, this can expose secrets to pull requests, though the issue is not described as a vulnerability on its own.

1 source Published 2026-10-07 07:56 UTCUpdated 2026-10-08 11:29 UTC