[release-4.14] OCPBUGS-102475,OCPBUGS-102487: Bump golang.org/x/net to v0.35.0-sec.3

[MrSanketkumar]

- What this PR does and why is it needed

Fixes CVE-2026-33814 (CVSS 7.5) in the golang.org/x/net package on the release-4.14 branch.

Rather than bumping golang.org/x/net to v0.56.0 (which would require go version bump), this PR uses the OpenShift sustaining fork github.com/openshift-sustaining/net@v0.35.0-sec.3, which backports the CVE fix onto the existing v0.35.x baseline.

Commands used:

go mod edit -replace golang.org/x/net=github.com/openshift-sustaining/net@v0.35.0-sec.3
go mod tidy && go mod vendor

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[openshift-ci-robot]

@MrSanketkumar: This pull request references Jira Issue OCPBUGS-102475, which is invalid:

• expected dependent Jira Issue OCPBUGS-102684 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is ASSIGNED instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

This pull request references Jira Issue OCPBUGS-102487, which is invalid:

• expected dependent Jira Issue OCPBUGS-102688 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is ASSIGNED instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

- What this PR does and why is it needed

Fixes CVE-2026-33814 (CVSS 7.5) in the golang.org/x/net package on the release-4.14 branch.

Rather than bumping golang.org/x/net to v0.56.0 (which would require go version bump), this PR uses the OpenShift sustaining fork github.com/openshift-sustaining/net@v0.35.0-sec.3, which backports the CVE fix onto the existing v0.35.x baseline.

Commands used:

go mod edit -replace golang.org/x/net=github.com/openshift-sustaining/net@v0.35.0-sec.3
go mod tidy && go mod vendor

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[germanparente]

backport-risk-assessed
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: germanparente, MrSanketkumar
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[openshift-ci]

@MrSanketkumar: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/lint	47efed4	link	true	/test lint
ci/prow/unit-test	47efed4	link	true	/test unit-test

Full PR test history. Your PR dashboard.

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[germanparente]

/label backport-risk-assessed
/label approved

[redhat-chai-bot]

CI Failure Analysis

This PR has two failing checks. Neither is caused by the CVE dependency changes.

1. ci/prow/unit-test — Pre-existing setup-envtest issue

The unit tests never ran. The Makefile's setup-envtest.sh download from controller-runtime v0.8.3 returns invalid data. This is the same pre-existing infrastructure issue affecting all release branches (4.14–4.18). See #769 for the fix.

2. ci/prow/lint — Pre-existing golangci-lint permission issue

The lint job fails with:

Error: error creating runtime static files directory: mkdir /.local: permission denied
make: *** [Makefile:386: lint] Error 125

This is a golangci-lint issue where the linter tries to create a /.local directory but lacks permissions in the CI pod (running as non-root). This is also a pre-existing issue with the 4.14 branch CI environment, not related to the CVE fix.

Fork Version Verification

• Base branch release-4.14 uses go 1.18 with golang.org/x/net v0.17.0
• Fork version v0.35.0-sec.3 requires Go ≥ 1.18, which is compatible ✅

Remaining passing checks

images ✅, ci-index-ingress-node-firewall-bundle ✅, ingress-node-firewall-e2e-metal-ipi ✅, test-fmt ✅

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