security: vulnerability remediation - #58
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Remediates GHSA-rg2x-37c3-w2rh (CVE-2026-42306, high): a race in docker cp mount setup lets a malicious container redirect a bind mount to an arbitrary host path. The advisory lists no patched version for github.com/docker/docker; the module stops at v28.5.2 and the fix only exists under the renamed github.com/moby/moby/v2 path. Upgrading go-containerregistry 0.20.7 -> 0.21.7 drops the docker/docker requirement entirely in favour of moby/moby/api and moby/moby/client, so none of the affected code is compiled in any more (verified with go list -deps). 0.21.7 also requires docker/cli v29.5.3, so the replace directive pinning cli to v29.2.0 is no longer needed and has been removed. docker/docker v28.5.2 still appears in the module graph via kernel/hypeman-go v0.20.0, which is the latest release; clearing that needs a hypeman-go release and is tracked separately. Co-authored-by: Cursor <cursoragent@cursor.com>
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Replaced the original pseudo-version pin, which moved out of the scanner's vulnerable range without containing the docker cp fix, with an upgrade to go-containerregistry 0.21.7. That drops github.com/docker/docker from the graph in favour of moby/moby/client; go list -deps confirms none of the affected code is linked. CI green.
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Vulnerability Remediation
Fixed
Not Included
Deferred details
Note
Medium Risk
Touches the dependency chain used by
push(go-containerregistry/remote/daemon); behavior should be unchanged but container registry auth and push warrant a quick smoke test.Overview
Security-focused dependency refresh for container image push/pull paths (GHSA-rg2x-37c3-w2rh). No application source changes—only
go.mod/go.sum.Bumps
github.com/google/go-containerregistryfrom v0.20.7 to v0.21.7, which pulls in a newer Docker/Moby client stack instead of pinninggithub.com/docker/dockerdirectly. Thereplaceongithub.com/docker/cliis removed; indirect deps move togithub.com/docker/cliv29.5.3,moby/moby/apiandmoby/moby/client, and drop several older Docker/grpc/protobuf transitive modules.golang.org/x/sysand OpenTelemetry-related indirect versions are updated alongside routine lockfile churn.Reviewed by Cursor Bugbot for commit e35dc68. Bugbot is set up for automated code reviews on this repo. Configure here.