Fix for OCPBUGS-88243: CVE-2026-39821

[germanparente]

Summary

• Fixes CVE-2026-39821 (golang.org/x/net/idna Punycode validation bypass, CVSS 9.6) on release-4.19
• Uses go mod edit -replace to pin golang.org/x/net to github.com/openshift-sustaining/net@v0.43.0-sec.2, a backport-patched fork compatible with Go 1.23
• Ran go mod tidy, go mod vendor, and verified clean build with go build ./...

Test plan

• go build ./... passes locally
• CI passes

🤖 Generated with Claude Code

[openshift-merge-bot]

Pipeline controller notification
This repo is configured to use the pipeline controller. Second-stage tests will be triggered either automatically or after lgtm label is added, depending on the repository configuration. The pipeline controller will automatically detect which contexts are required and will utilize /test Prow commands to trigger the second stage.

For optional jobs, comment /test ? to see a list of all defined jobs. To trigger manually all jobs from second stage use /pipeline required command.

This repository is configured in: LGTM mode

[openshift-ci-robot]

@germanparente: This pull request references Jira Issue OCPBUGS-88223, which is invalid:

• expected the vulnerability to target either version "4.19." or "openshift-4.19.", but it targets "4.20.z" instead
• expected the bug to be in one of the following states: NEW, ASSIGNED, POST, but it is Verified instead
• expected Jira Issue OCPBUGS-88223 to depend on a bug targeting a version in 4.20.0, 4.20.z and in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

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:

Summary

• Fixes CVE-2026-39821 (golang.org/x/net/idna Punycode validation bypass, CVSS 9.6) on release-4.19
• Uses go mod edit -replace to pin golang.org/x/net to github.com/openshift-sustaining/net@v0.43.0-sec.2, a backport-patched fork compatible with Go 1.23
• Ran go mod tidy, go mod vendor, and verified clean build with go build ./...

Test plan

• go build ./... passes locally
• CI passes

🤖 Generated with Claude Code

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.

[coderabbitai]

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: germanparente
Once this PR has been reviewed and has the lgtm label, please assign ardaguclu for approval. For more information see the Code Review Process.

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[openshift-ci-robot]

@germanparente: This pull request references Jira Issue OCPBUGS-88243, which is invalid:

• expected Jira Issue OCPBUGS-88243 to depend on a bug targeting a version in 4.20.0, 4.20.z and in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

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:

Summary

• Fixes CVE-2026-39821 (golang.org/x/net/idna Punycode validation bypass, CVSS 9.6) on release-4.19
• Uses go mod edit -replace to pin golang.org/x/net to github.com/openshift-sustaining/net@v0.43.0-sec.2, a backport-patched fork compatible with Go 1.23
• Ran go mod tidy, go mod vendor, and verified clean build with go build ./...

Test plan

• go build ./... passes locally
• CI passes

🤖 Generated with Claude Code

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]

/jira refresh

[openshift-ci-robot]

@germanparente: This pull request references Jira Issue OCPBUGS-88243, which is invalid:

• expected Jira Issue OCPBUGS-88243 to depend on a bug targeting a version in 4.20.0, 4.20.z and in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

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.

Details

In response to this:

/jira refresh

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]

/jira refresh

[openshift-ci-robot]

@germanparente: This pull request references Jira Issue OCPBUGS-88243, which is valid. The bug has been moved to the POST state.

7 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (4.19.z) matches configured target version for branch (4.19.z)
• bug is in the state ASSIGNED, which is one of the valid states (NEW, ASSIGNED, POST)
• release note type set to "Release Note Not Required"
• dependent bug Jira Issue OCPBUGS-88223 is in the state Verified, which is one of the valid states (VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA))
• dependent Jira Issue OCPBUGS-88223 targets the "4.20.z" version, which is one of the valid target versions: 4.20.0, 4.20.z
• bug has dependents

No GitHub users were found matching the public email listed for the QA contact in Jira (ocp-sustaining-admins@redhat.com), skipping review request.

Details

In response to this:

/jira refresh

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.

[MrSanketkumar]

/test unit

[MrSanketkumar]

/pipeline required

[openshift-merge-bot]

Scheduling required tests:
/test e2e-agnostic-ovn-cmd
/test e2e-aws-ovn
/test e2e-aws-ovn-serial-1of2
/test e2e-aws-ovn-serial-2of2
/test e2e-aws-ovn-upgrade

Scheduling tests matching the pipeline_run_if_changed or not excluded by pipeline_skip_if_only_changed parameters:
/test e2e-agent-compact-ipv4

[germanparente]

/test e2e-aws-ovn

[openshift-ci]

@germanparente: The following test 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/security	04d8940	link	false	/test security

Full PR test history. Your PR dashboard.

Details

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 kubernetes-sigs/prow repository. I understand the commands that are listed here.

[germanparente]

/test e2e-aws-ovn-upgrade