[release 4.15] Fix OCPBUGS-99080: CVE-2026-16242 konnectivity agent auth

[germanparente]

Summary

• Backport of [release-4.16] OCPBUGS-99075: fix(backport): konnectivity agent auth #9097 to release-4.15
• Adds --cluster-ca-cert flag to konnectivity-server args to authenticate agents connecting to the proxy server
• Fixes CVE-2026-16242: missing authentication allows unauthorized access to the konnectivity proxy-server

[openshift-merge-bot]

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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-99075, which is invalid:

• expected the vulnerability to target either version "4.15." or "openshift-4.15.", but it targets "4.16.z" instead
• expected the bug to be in one of the following states: NEW, ASSIGNED, POST, but it is Verified instead
• expected dependent Jira Issue OCPBUGS-99079 to target a version in 4.16.0, 4.16.z, but it targets "4.17.z" 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:

Summary

• Backport of [release-4.16] OCPBUGS-99075: fix(backport): konnectivity agent auth #9097 to release-4.15
• Adds --cluster-ca-cert flag to konnectivity-server args to authenticate agents connecting to the proxy server
• Fixes CVE-2026-16242: missing authentication allows unauthorized access to the konnectivity proxy-server

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-robot]

@germanparente: This pull request references Jira Issue OCPBUGS-99080, 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 (4.15.z) matches configured target version for branch (4.15.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-99075 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-99075 targets the "4.16.z" version, which is one of the valid target versions: 4.16.0, 4.16.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.

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

Details

In response to this:

Summary

• Backport of [release-4.16] OCPBUGS-99075: fix(backport): konnectivity agent auth #9097 to release-4.15
• Adds --cluster-ca-cert flag to konnectivity-server args to authenticate agents connecting to the proxy server
• Fixes CVE-2026-16242: missing authentication allows unauthorized access to the konnectivity proxy-server

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.

[enxebre]

/approve
/lgtm

[openshift-merge-bot]

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No second-stage tests were triggered for this PR.

This can happen when:

• The changed files don't match any pipeline_run_if_changed patterns
• All files match pipeline_skip_if_only_changed patterns
• No pipeline-controlled jobs are defined for the release-4.15 branch

Use /test ? to see all available tests.

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: enxebre, germanparente

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[clebs]

/lgtm

[openshift-ci]

@germanparente: 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/e2e-kubevirt-aws-ovn-reduced	d63310b	link	true	/test e2e-kubevirt-aws-ovn-reduced
ci/prow/e2e-aws	d63310b	link	true	/test e2e-aws

Full PR test history. Your PR dashboard.

Details

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