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GO-2026-5346
Caddy: FastCGI header normalization bypass in forward_auth copy_headers in github.com/caddyserver/caddy
Quick fix
GO-2026-5346 — github.com/caddyserver/caddy/v2: upgrade to the fixed version with the command below.
go get github.com/caddyserver/caddy/v2@v2.11.4Details
Caddy: FastCGI header normalization bypass in forward_auth copy_headers in github.com/caddyserver/caddy
Are you affected?
Enter the version of the package you're using.
Affected packages
Go / github.com/caddyserver/caddy/v2
Introduced in:
0 Fixed in: 2.11.4 Fix
go get github.com/caddyserver/caddy/v2@v2.11.4