chore(deps): bump go directive to 1.26.4 (clears 2 reachable stdlib vulns)#70
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CI builds via `go-version-file: go.mod`, so the toolchain version is the `go` directive. govulncheck flagged two reachable Go stdlib vulnerabilities fixed in go1.26.4: - GO-2026-5039 net/textproto (unescaped inputs in errors) — reached via utils.DoAPI → textproto.ReadMIMEHeader on the local hypervisor API socket. - GO-2026-5037 crypto/x509 (inefficient hostname parsing) — reached via snapshot Export → x509 Verify/VerifyHostname. Both low severity (trusted local peer / registry TLS), but bumping the build toolchain clears them. After: govulncheck reports 0 vulnerabilities. build/vet/lint (darwin+linux) + race tests green on go1.26.4.
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Follow-up to the grpc bump (#69).
govulncheckflagged two reachable Go standard-library vulnerabilities, both fixed in go1.26.4:net/textproto(unescaped inputs in errors)utils.DoAPI → io.ReadAll → textproto.ReadMIMEHeader(local CH/FC API socket)crypto/x509(inefficient hostname parsing)snapshot.Handler.Export → io.Copy → x509.Verify/VerifyHostname(registry TLS)Both are low practical risk (trusted local hypervisor API peer / registry TLS during export), but the fix is free.
Change
CI builds via
go-version-file: go.mod, so the toolchain is pinned by thegodirective. Bumpgo 1.25.6→go 1.26.4. One line;go mod tidyleft go.sum unchanged.Verification (on go1.26.4)
go build ./...+GOOS=linux go build ./...go vet(both platforms)make lint(darwin + linux, 0 issues)go test -race -count=1 ./...— 24/24govulncheck ./...— 0 vulnerabilities (was 2)