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by olejorgenb 36 days ago
And the gotcha has been known about since 2014:

> This is the class of attack documented by Adnan Khan in 2024. It's not a TanStack-specific bug; it's a known GitHub Actions design issue that requires conscious mitigation.

While it seems the maintainers kinda went-out-of-their way to enable this - GitHub could easily have at least turned of cache-sharing between fork jobs and the main jobs...