Query-Mutating Data Race in Go: Hiding in Plain Sight - Blog

A significant security vulnerability has been identified in the Go standard library's database/sql package, allowing potential remote attackers to modify SQL query results, posing risks such as full application compromise. This flaw, CVE-2025-47907, arises from a data race condition when a query is canceled, permitting a shared SQL driver connection to be reused for a second query, potentially corrupting the first query's results. Although exploiting this vulnerability is challenging due to specific timing and application requirements, its potential impact is severe, especially if critical data like cryptographic keys are compromised. Initially misdiagnosed by developers as an issue within the lib/pq driver, the true source was traced to a race condition within the database/sql package itself. Engineering teams using database/sql are urged to update to Go version 1.24.6, with Coder application users advised to upgrade to patched releases. The discovery underscores the importance of using tools like the Go race detector to identify vulnerabilities and emphasizes the critical nature of thorough root cause analysis in software development.

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