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CRITICAL

CVE-2026-71471

CVSS v3

9

CRITICAL

EPSS Score

1.2 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2026-71471 Red Hat Product Security24 products fixed

    acm-search-v2-rhel9: search-v2-operator: Hub Search CR Collector.ImageOverride propagated to every spoke as arbitrary container image

  • RHSA-2026:60391 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.16.4 security update

  • RHSA-2026:60390 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.13.11 security update

  • RHSA-2026:60388 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.14.4 security update

  • RHSA-2026:60389 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.15.6 security update

  • RHSA-2026:60387 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.11.11 security update

1 more advisory

Full record on NVD

Description

A flaw was found in acm-search-v2-rhel9. An attacker with administrative privileges on the hub cluster, specifically with patch access to the Search Custom Resource (CR), could exploit a vulnerability in the `Collector.ImageOverride` field. This allows the attacker to deploy an arbitrary container image across all managed clusters. The consequence is remote code execution (RCE), enabling the attacker to execute commands and potentially access sensitive information across the entire fleet of managed clusters.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L
Published
2026-08-12
Last Modified
2026-08-13

Frequently asked questions

What is CVE-2026-71471?

A flaw was found in acm-search-v2-rhel9. An attacker with administrative privileges on the hub cluster, specifically with patch access to the Search Custom Resource (CR), could exploit a vulnerability in the `Collector.ImageOverride` field. This allows the attacker to deploy an arbitrary container image across all managed clusters. The consequence is remote code execution (RCE), enabling the attacker to execute commands and potentially access sensitive information across the entire fleet of managed clusters.

Is CVE-2026-71471 actively exploited?

Active exploitation of CVE-2026-71471 has not been confirmed. Its EPSS score was 1.2% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-71471?

CVE-2026-71471 has a CVSS v3 base score of 9 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L.

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