Vulnerabilities in pkg:gem/foreman_kubevirt

PACKAGE
Advisory Identifier: GHSA-2qxw-7fmx-gqfm
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Advisory Summary

CVE-2026-1531 is a HIGH (CVSS 8.1) foreman_kubevirt disables ssl verification if vulnerability (CWE-295: Improper Certificate Validation) affecting Foreman kubevirt libraries in the RubyGems ecosystem. The issue involves foreman_kubevirt disables ssl verification if a certificate authority (ca) certificate is not explicitly set. Remediation is available by upgrading affected packages to version 0.4.3.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:gem/foreman_kubevirt

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:gem/foreman_kubevirt. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-2qxw-7fmx-gqfm CVE-2026-1531 HIGH foreman_kubevirt disables SSL verification if a Certificate Authority (CA) certificate is not explicitly set

CVE-2026-1531 at a Glance

CVE Identifier CVE-2026-1531
GHSA Identifier GHSA-2qxw-7fmx-gqfm
Severity HIGH
CVSS v3.1 Base Score 8.1
CWE Classification CWE-295: Improper Certificate Validation
Affected Product Foreman kubevirt
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 8.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2026-1531

To remediate this vulnerability, upgrade all affected Foreman kubevirt dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

foreman_kubevirt fixed: 0.4.3 
Upgrade foreman_kubevirt to 0.4.3
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for foreman_kubevirt

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-1531, inspect your project dependencies for Foreman kubevirt:

inspect dependencies for foreman_kubevirt

Analyze the terminal output to locate any version of Foreman kubevirt in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.4.3), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. In Foreman kubevirt, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2026-1531 Affected Foreman kubevirt Versions

1 component(s)
Fixed Versions:
0.4.3
Product / Package Ecosystem Affected Versions Fixed Version
foreman_kubevirt
gem/foreman_kubevirt
RubyGems
< 0.4.3
0.4.3

References

NVD — CVE-2026-1531 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1531
Security Fix Commit FIX COMMIT
https://github.com/theforeman/foreman_kubevirt/commit/6c9973ee59c6fbec65f165eb9ea9dd4ebb6eeef1
access.redhat.com/errata/rhsa-2026:59... WEB
https://access.redhat.com/errata/RHSA-2026:5968
access.redhat.com/errata/rhsa-2026:59... WEB
https://access.redhat.com/errata/RHSA-2026:5970
access.redhat.com/errata/rhsa-2026:59... WEB
https://access.redhat.com/errata/RHSA-2026:5971
Foreman kubevirt Security Information SECURITY
https://access.redhat.com/security/cve/CVE-2026-1531
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=2433786
Foreman kubevirt Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/foreman_kubevirt/CVE-2026-1531.yml
Foreman kubevirt Source Repository REPOSITORY
https://github.com/theforeman/foreman_kubevirt

Frequently Asked Questions

What is CVE-2026-1531?
CVE-2026-1531 is a security vulnerability in Foreman kubevirt involving foreman_kubevirt disables SSL verification if a Certificate Authority (CA) certificate is not explicitly set under CWE-295: Improper Certificate Validation.
Which Foreman kubevirt versions are affected?
Affected versions include releases prior to 0.4.3 across affected packages: foreman_kubevirt.
What version fixes CVE-2026-1531?
Upgrading to 0.4.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is foreman_kubevirt affected?
Yes, foreman_kubevirt is affected in releases prior to 0.4.3. Upgrade your dependency to 0.4.3 or later.
What is the CVSS score of CVE-2026-1531?
CVE-2026-1531 has a CVSS v3.1 base score of 8.1 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
What CWE is associated with CVE-2026-1531?
CVE-2026-1531 is classified under CWE-295: Improper Certificate Validation (The product does not validate, or incorrectly validates, a certificate.).
How can I check RubyGems dependencies for CVE-2026-1531?
Run the dependency tree command: 'inspect dependencies for foreman_kubevirt'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-2qxw-7fmx-gqfm",
  "modified" : "2026-03-27T00:31:20Z",
  "published" : "2026-02-02T06:30:53Z",
  "aliases" : [ "CVE-2026-1531" ],
  "summary" : "foreman_kubevirt disables SSL verification if a Certificate Authority (CA) certificate is not explicitly set",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "foreman_kubevirt"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.4.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-1531"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/theforeman/foreman_kubevirt/commit/6c9973ee59c6fbec65f165eb9ea9dd4ebb6eeef1"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:5968"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:5970"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:5971"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/security/cve/CVE-2026-1531"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2433786"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/foreman_kubevirt/CVE-2026-1531.yml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/theforeman/foreman_kubevirt"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-02-02T21:15:40Z",
    "nvd_published_at" : "2026-02-02T06:16:20Z"
  }
}