CVE-2026-20706: Go Handler State Race

An HTTP handler or middleware method modifies its pointer receiver struct fields. Because handlers are often shared as singletons across concurrent requests, mutating handler state without synchronization can cause severe concurrency vulnerabilities (like race conditions leaking tokens across concurrent users). State specific to a request should be stored wi

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0Go
greprules fetch cve-2026-20706-go-handler-state-race --engine opengrep

Description

An HTTP handler or middleware method modifies its pointer receiver struct fields. Because handlers are often shared as singletons across concurrent requests, mutating handler state without synchronization can cause severe concurrency vulnerabilities (like race conditions leaking tokens across concurrent users). State specific to a request should be stored wi