Filippo Valsorda • 2/12/2026

Inspecting the Source of Go Modules

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This article details how Go's Checksum Database ensures package integrity by cryptographically verifying module sources, preventing tampering. It highlights a vulnerability where viewing code directly on GitHub (which allows force-pushed tags) can show incorrect source, and discusses tools and services like `go mod verify -tag` and pkg.geomys.dev to safely inspect verified Go module source code.

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#GIT Security #Go Modules #Checksum Database
Inspecting the Source of Go Modules

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