fix: update all dependencies and base images (Alpine 3.24.2, distroless); require Go 1.26 - #2681
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- alpine:3 -> 294b683 (Alpine 3.24.2, OpenSSL 3.5.8-r0), multi-arch index digest - gcr.io/distroless/static:nonroot -> e2e927e, multi-arch index digest - go get -u -t ./... (genproto monolith held; grpc held at v1.83.2 to avoid GO-2026-6443 in v1.84.0) - x/crypto v0.57.0 fixes GO-2026-6354, GO-2026-6355 - go directive 1.26.0 (required by updated deps); CI go-version 1.26
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- tests.yaml: replace 'permissions: read-all' with 'contents: read' - govulncheck.yaml: correct the version comment on the pinned govulncheck-action SHA (v1.0.4)
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Important
This PR raises the
godirective ingo.modfrom 1.25.8 to 1.26.0. The updatedgolang.org/x/crypto(v0.57.0, which fixes GO-2026-6354 and GO-2026-6355),golang.org/x/net,cloud.google.com/go/*andgax-goall require Go 1.26.golang:1/golang:1-alpineimages, which are already Go 1.27.go install github.com/GoogleCloudPlatform/cloud-sql-proxy/v2@latest) now requires Go 1.26 or later.go-version: "1.25"to"1.26".v1-periodic.yamlis left at 1.25 because it builds thev1branch.Update all dependencies and container base images so that published proxy images have no fixable vulnerabilities.
Container base images
Dockerfile.alpinealpine:379ff19e9…(Alpine 3.24.1, linux/amd64-only manifest)294b683c…(Alpine 3.24.2, multi-arch index)Dockerfilegcr.io/distroless/static:nonroot23795be0…(linux/amd64-only manifest)e2e927ec…(multi-arch index)Both old pins were single-platform (amd64) manifest digests, which is what
./build.sh depswrites. This PR switches both to the multi-arch image index digest, the same form Renovate uses (e.g. #2585). Renovate has not proposed these bumps itself because the "container images" group is rate-limited on the Dependency Dashboard (#437):prConcurrentLimit: 3is used up by the stale PRs #2412, #2545 and #2679.The Alpine bump fixes the following OpenSSL CVEs (
libssl3/libcrypto33.5.7-r0 → 3.5.8-r0, per the Alpine secdb):The proxy binary is static (
CGO_ENABLED=0) and does not use OpenSSL, so it cannot reach these CVEs. Customer image scanners (e.g. JFrog Xray) still flag them as critical/high.The Alpine bump also updates
apk-tools/libapk3.0.8,ca-certificates20260909 andfuse-common3.18.3.Go modules
Updated with
go get -u -t ./...followed bygo mod tidy. Two modules are held back:google.golang.org/genproto(monolith) stays at its current version. Upgrading it removesgoogleapis/devtools/cloudtrace/v2andgoogleapis/monitoring/v3, whichcontrib.go.opencensus.io/exporter/stackdriverstill imports, and the build breaks.google.golang.org/grpcstays at v1.83.2 instead of v1.84.0. v1.84.0 is affected by GO-2026-6443 / CVE-2026-84445 (server panic via missing:authority). The fix is only in 1.82.2, 1.83.2 and an unreleased 1.85.0-dev. Staying on v1.83.2 also keepsgoogle.golang.org/apiat v0.298.0 instead of v0.299.0.golang.org/x/cryptogolang.org/x/netgolang.org/x/oauth2golang.org/x/sync/sys/text/timegoogle.golang.org/apigoogle.golang.org/genproto/googleapis/{api,rpc}cloud.google.com/go/authcloud.google.com/go/auth/oauth2adaptcloud.google.com/go/compute/metadatacloud.google.com/go/monitoring/trace/sqlgithub.com/googleapis/gax-go/v2github.com/googleapis/enterprise-certificate-proxygithub.com/google/s2a-gogithub.com/jackc/pgx/v5github.com/go-sql-driver/mysqlgithub.com/microsoft/go-mssqldbgo.opentelemetry.io/otel{,/metric,/trace}go.opentelemetry.io/contrib/.../otelgrpc,otelhttpgithub.com/prometheus/{client_model,common,procfs,statsd_exporter}cloud.google.com/go/cloudsqlconnstays at v1.25.2, which is its latest release.Minimum Go version. The
godirective moves from 1.25.8 to 1.26.0, because the updatedcloud.google.com/go/*,gax-go,x/cryptoandx/netmodules now require Go 1.26. The GitHub workflows are updated fromgo-version: "1.25"to"1.26"to match.v1-periodic.yamlchecks out thev1branch, so it is left at 1.25.Verification
go build ./...andgo vetpass.go test -shortpasses forcmd,internal/gcloud,internal/healthcheckandinternal/proxy.govulncheck ./...: 0 vulnerabilities affecting the code. Three remain in dependencies. None is called and none has a fix upstream:x/cryptoaws-sdk-gov1.55.8--pkg-types os,library) results on images built locally from this branch:2.25.4-alpineDockerfile.alpineDockerfile(distroless)apk list -uis empty: no package has a newer version available. All 22 installed packages have no unpatched entries in the Alpine 3.24 secdb.A patch release (2.25.5) is needed to publish the fixed images.