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CVE Record

CVE-2026-1530: Fog-kubevirt: fog-kubevirt: man-in-the-middle vulnerability due to disabled certificate validation

A flaw was found in fog-kubevirt. This vulnerability allows a remote attacker to perform a Man-in-the-Middle (MITM) attack due to disabled certificate validation. This enables the attacker to intercept and potentially alter sensitive communications between Satellite and OpenShift, resulting in information disclosure and data integrity compromise.

HighCVSS 8.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2026-1530 is a certificate-validation flaw in fog-kubevirt used with Red Hat Satellite and OpenShift. If an attacker can get between those systems, they may read or alter sensitive management communications. This is a high business risk for environments using the affected Satellite versions.

Executive priority

Treat this as a high-priority infrastructure management risk. Patch planning should focus on Satellite systems that manage OpenShift/KubeVirt environments, because compromise of management communications can affect confidentiality and integrity across dependent platforms.

Technical view

The issue is CWE-295: disabled certificate validation in fog-kubevirt. Red Hat rates it CVSS 8.1, with network attack vector, low complexity, low privileges, no user interaction, and high confidentiality and integrity impact. Listed affected products include Red Hat Satellite 6.16 and 6.17 packages on RHEL 8/9.

Likely exposure

Exposure is most likely in Red Hat Satellite 6.16 or 6.17 deployments using the affected fog-kubevirt or related Satellite packages to communicate with OpenShift/KubeVirt. Risk depends on whether an attacker can position themselves on the relevant network path.

Exploitation context

The bundle does not show CISA KEV listing or cited active exploitation. The described attack is remote man-in-the-middle interception or alteration of Satellite-to-OpenShift communications, but the source bundle does not provide public exploit details.

Researcher notes

Source evidence is strong for vulnerability type, CVSS, and affected Red Hat Satellite package listings. The bundle does not provide fixed package versions, exploit telemetry, or detailed proof-of-concept information, so validation should stay inventory- and advisory-driven.

Mitigation direction

  • Review Red Hat RHSA-2026:5970 and RHSA-2026:5971 for official remediation guidance.
  • Apply Red Hat Satellite updates that address CVE-2026-1530 when approved for your environment.
  • Prioritize systems managing OpenShift or KubeVirt integrations through affected Satellite versions.
  • Restrict and monitor management network paths between Satellite and OpenShift.
  • If updates are unavailable, follow Red Hat guidance rather than applying unsupported local changes.

Validation and detection

  • Inventory Red Hat Satellite 6.16 and 6.17 systems on RHEL 8 or RHEL 9.
  • Check installed versions of rubygem-fog-kubevirt and listed related Satellite packages.
  • Confirm whether Red Hat errata RHSA-2026:5970 or RHSA-2026:5971 have been applied.
  • Review Satellite-to-OpenShift trust settings for unexpected certificate-validation bypasses.
  • Look for unusual management traffic interception indicators on relevant network segments.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-295: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Container behavior lookup

The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-1530 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

2CVSS vectors
7Timeline events
2ADP providers
6Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

2 official scores

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.1CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N2.85.2redhat
8.1CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N2.85.2redhat-SADP

Vulnerability scoring details

Base CVSS 3.1 score

8.1High
CVSS 3.1 vector shape for CVE-2026-1530Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. ADP timelineredhat-SADP

    Reported to Red Hat.

  2. Source timelineredhat

    Reported to Red Hat.

  3. ADP timelineredhat-SADP

    Made public.

  4. Source timelineredhat

    Made public.

  5. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  6. CVE publishedCVE Program

    The CVE record was published.

  7. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
redhat-SADPfog-kubevirt: fog-kubevirt: Man-in-the-Middle vulnerability due to disabled certificate validation
other:Red Hat severity ratingcvssV3_1
  • 2026-01-28T12:39:43.076Z: Reported to Red Hat.
  • 2026-01-28T12:40:37.424Z: Made public.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Red HatRed Hat Satellite 6.16 for RHEL 8rubygem-fog-kubevirt, 0:1.5.1-1.el8sataffected
Red HatRed Hat Satellite 6.16 for RHEL 9rubygem-fog-kubevirt, 0:1.5.1-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9foreman, 0:3.14.0.14-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9libcomps, 0:0.1.23-0.3.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9python-brotli, 0:1.2.0-0.1.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9python-django, 0:4.2.28-0.1.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9python-pulp-container, 0:2.22.3-1.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9python-pulp-rpm, 0:3.27.10-2.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9rubygem-fog-kubevirt, 0:1.5.1-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9rubygem-foreman_kubevirt, 0:0.4.3-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9rubygem-katello, 0:4.16.0.14-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9rubygem-rubyipmi, 0:0.13.0-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9satellite, 0:6.17.7-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9yggdrasil-worker-forwarder, 0:0.0.3-4.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9foreman, 0:3.14.0.14-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9libcomps, 0:0.1.23-0.3.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9python-brotli, 0:1.2.0-0.1.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9python-django, 0:4.2.28-0.1.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9python-pulp-container, 0:2.22.3-1.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9python-pulp-rpm, 0:3.27.10-2.el9pcaffected
Red HatRed Hat Satellite 6.17 for RHEL 9rubygem-fog-kubevirt, 0:1.5.1-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9rubygem-foreman_kubevirt, 0:0.4.3-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9rubygem-katello, 0:4.16.0.14-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9rubygem-rubyipmi, 0:0.13.0-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9satellite, 0:6.17.7-1.el9sataffected
Red HatRed Hat Satellite 6.17 for RHEL 9yggdrasil-worker-forwarder, 0:0.0.3-4.el9sataffected
Red HatRed Hat Satellite 6satellite:el8/rubygem-fog-kubevirtaffected
Weakness

CWE details

CWE-295

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-295 · source CWE mapping

Improper Certificate Validation

Improper Certificate Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs