Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/toolchain go.sum entry and operates a malicious GOMODPROXY the user chooses to use can bypass the intended checksum. We now ensure that golang.org/toolchain always goes to the network for the canonical checksum.
{
"cpes": [
"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"
],
"severity": "High"
}