CVE-2026-1531 Foreman-kubevirt: foreman_kubevirt: man-in-the-middle due to insecure default ssl verification

High 8.1 Published Updated

Insecure default SSL verification in Foreman-kubevirt allows Man-in-the-Middle attacks, leading to disclosure or alteration of sensitive information between Satellite and OpenShift.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-1531?

CVE-2026-1531 is a high-severity vulnerability in Red Hat Satellite 6, published on 2 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw was found in foreman_kubevirt. When configuring the connection to OpenShift, the system disables SSL verification if a Certificate Authority (CA) certificate is not explicitly set. This insecure default allows a remote attacker, capable of intercepting network traffic between Satellite and OpenShift, to perform a Man-in-the-Middle (MITM) attack. Such an attack could lead to the disclosure or alteration of sensitive information.

Weakness: CWE-295

Which versions are affected by CVE-2026-1531?

2 open source packages ship an affected version, including foreman_kubevirt.

PackageAffectedFixed in
foreman_kubevirt RubyGemsAll versions0.4.3
foreman_kubevirt RubyGemsAll versions0.4.3

How do I fix CVE-2026-1531?

Upgrade foreman_kubevirt to 0.4.3 or later.

Is CVE-2026-1531 being exploited?

There is no known exploitation of CVE-2026-1531 in the wild and no public exploit code.

Sources

Also known as GHSA-2qxw-7fmx-gqfm.

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