[NEEDS-SCAN] fix: [CI-24667]: remediate vulnerabilities in harnesssecure/docker (21.3.4 → 21.3.5)

[vinayakharness2026]

Vulnerability Remediation: harnesssecure/docker

Team: ci (Harness CI Platform)
Tickets: CI-24667
Test image: vinayakharness/docker-test:docker-21.3.5--debug

OnDemand scanner runs (Harness harness0.harness.io):

• Baseline: zUBpFGQtQziT3Z9_OAtUBw — ❌ Failed (harnesssecure connector cannot pull private image in ProdSec project)
• After: Fgfd4fVzRm6BuFcZqZ05uw — ✅ Success

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Summary

The OnDemand baseline scan (Prisma Cloud + Snyk) failed to pull harnesssecure/docker:21.3.4 in the ProdSec project — the harnesssecure connector does not have valid credentials for this Harness project. Baseline evidence is sourced from the SCS nightly scan that generated ticket CI-24667 (15 crit / 67 high / 89 med / 39 low). The after-scan on the test image (vinayakharness/docker-test:docker-21.3.5--debug) completed successfully with Prisma Cloud reporting 12 crit / 38 high / 27 med / 5 low — a significant reduction. Four code changes address the known vulnerability sources: base image patch bump, cosign minor upgrade, and two Go dependency upgrades. RECOMMENDATION=REVIEW — both code changes and after-scan data look good, but formal baseline OnDemand run needs to be verified by the owning team before merge.

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CVE Delta — Trivy (local scan)

Note: Trivy baseline scan not available — harnesssecure/docker:21.3.4 is a private image that could not be pulled locally. Only after-scan counts available.

Severity	Before	After	Change
Critical	n/a	20	n/a
High	n/a	372	n/a
Medium	n/a	283	n/a
Low	n/a	92	n/a
Total	n/a	767	n/a

CVE Delta — Harness OnDemand (Prisma Cloud)

Severity	Before (SCS nightly)	After (OnDemand)	Change
Critical	15	12	-3
High	67	38	-29
Medium	89	27	-62
Low	39	5	-34
Info	n/a	25	n/a
Total	210	82	-128

Baseline counts sourced from SCS nightly scan (ticket CI-24667). After-scan from OnDemand (Prisma Cloud) run Fgfd4fVzRm6BuFcZqZ05uw.

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Per-Ticket CVE Status

CI-24667 — P2: Security Vulnerability Fixes - harnesssecure/docker

Summary: harnesssecure/docker:21.3.4 was built on docker:28.1.1-dind with cosign v2.5.3 and Go deps including golang.org/x/crypto v0.54.0 and golang.org/x/net v0.57.0. This PR upgrades all four components to reduce the CVE exposure. The Prisma Cloud after-scan confirms a 39% reduction in total issues (210 → 82), with the largest improvements in Medium (-62) and High (-29) severity.

CVE	Package	Before	After	Required	Status	Reason
Batch (15C/67H/89M/39L)	base image + Go deps	docker:28.1.1-dind + crypto v0.54.0 + net v0.57.0	docker:28.5.2-dind + crypto v0.55.0 + net v0.58.0	Latest same-major	⚠️ Partial	Significant reduction (210→82 Prisma issues); bundled binaries in dind base still carry some CVEs not patchable at this level

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Changes Made

File	Change
docker/docker/Dockerfile.linux.amd64	Base image docker:28.1.1-dind → docker:28.5.2-dind; cosign v2.5.3 → v2.6.5
docker/docker/Dockerfile.linux.arm64	Base image arm64v8/docker:28.1.1-dind → arm64v8/docker:28.5.2-dind; cosign v2.5.3 → v2.6.5
go.mod	golang.org/x/crypto v0.54.0 → v0.55.0; golang.org/x/net v0.57.0 → v0.58.0; golang.org/x/text v0.40.0 → v0.41.0
go.sum	Updated checksums for upgraded packages

Version selection rationale:

• docker:28.5.2-dind is the latest patch in the same major (28.x) series as the original 28.1.1-dind, minimising blast radius while picking up Alpine/system package fixes.
• cosign:v2.6.5 is the latest v2.x release (same major), fixing CVEs in cosign's Go dependency tree.
• golang.org/x/crypto v0.55.0 is the maximum version compatible with go 1.25.x toolchain (v0.56.0+ requires go ≥ 1.26.0).
• golang.org/x/net v0.58.0 is the current latest, containing HTTP/2 and TLS-related security patches.

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⚠️ Baseline Scanner Note

The OnDemand baseline scan for harnesssecure/docker:21.3.4 failed in both attempts because the harnesssecure Docker Hub connector in the Security_and_Compliance/ProdSec project lacks pull credentials for the private harnesssecure/ namespace. The SCS nightly pipeline (which uses a different, properly credentialed connector) successfully scanned the image and generated this ticket. Action required: configure harnesssecure credentials in the ProdSec OnDemand connector, or re-run the baseline scan from the SCS nightly after this PR is merged to get the official before/after delta.

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🤖 Generated autonomously by the Harley vuln-remediation agent (AUTONOMOUS=true).