[release 4.14] Fix OCPBUGS-99086: CVE-2026-16242 konnectivity agent auth

[germanparente]

Summary

• Backport of [release-4.16] OCPBUGS-99075: fix(backport): konnectivity agent auth #9097 to release-4.14
• 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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[openshift-ci-robot]

@germanparente: This pull request references Jira Issue OCPBUGS-99086, which is invalid:

• expected Jira Issue OCPBUGS-99086 to depend on a bug targeting a version in 4.15.0, 4.15.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

• Backport of [release-4.16] OCPBUGS-99075: fix(backport): konnectivity agent auth #9097 to release-4.14
• 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

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: germanparente
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[germanparente]

/retest

[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/verify	ec860a0	link	true	/test verify
ci/prow/e2e-aws	ec860a0	link	true	/test e2e-aws
ci/prow/e2e-kubevirt-aws-ovn-reduced	ec860a0	link	true	/test e2e-kubevirt-aws-ovn-reduced
ci/prow/unit	ec860a0	link	true	/test unit

Full PR test history. Your PR dashboard.

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