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Build with Go 1.27.3 for CVE-2026-111943 - #42
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- go.mod: toolchain line set to the fixed Go version (go.mod) - CI: setup-go pinned to the fixed patch release (.github/workflows/go.yml)
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Go 1.27.3 and 1.26.10, released on 2026-10-19, fix CVE-2026-111943 (GO-2026-6809). Certificate.Verify in crypto/x509 now rejects a list of compromised intermediate certificates. Every Go version before 1.26.10, and 1.27.0 to 1.27.2, is affected.
govulncheck reports crypto/x509 Certificate.Verify as reachable from this code when it is built with the Go version used before this change.
Changes:
Checked locally: go build and go vet pass, and govulncheck with the new toolchain reports no GO-2026-6809 finding.
make commit-check passes every step up to code-ql; the CodeQL CLI is not installed on the machine this ran on.