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CVE-2026-71404

8.7 · HIGH

A flaw was found in Rancher Manager.

Published Sep 3, 2026suseCWE-639EPSS 0.42%

Overview

CVE-2026-71404 is a high-severity vulnerability affecting suse rancher. It was published on September 3, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A flaw was found in Rancher Manager. The GlobalRole controller derived the target ClusterRole name from the user-settable `authz.management.cattle.io/cr-name` annotation and overwrote that object's rules without verifying ownership. A user with delegated GlobalRole create or update permission could point the annotation at any existing ClusterRole, such as `cluster-admin`, and revoke the permissions of every principal bound to it. The change persists after the malicious GlobalRole is deleted.

This issue affects Rancher: before 2.15.1.

Remediation

Check the references section for vendor advisories and patches from suse. Update rancher to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
suserancher>= 0, < 2.15.1Affected

References

GitHubgithub.com/rancher/rancher/pull/56593GitHubgithub.com/rancher/rancher/pull/56642

How CyberStrike helps

Frequently asked questions

What is CVE-2026-71404?

CVE-2026-71404 is a high-severity vulnerability affecting suse rancher. It was published on September 3, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).

How severe is CVE-2026-71404?

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-71404?

Check the references section for vendor advisories and patches from suse. Update rancher to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-71404?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-71404 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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