Description
A security vulnerability was discovered in SUSE Rancher Fleet's cluster registration flow, in Fleet versions before 0.12, 0.13.0 up to 0.13.17, 0.14.0 up to 0.14.12, 0.15.0 up t o 0.15.17 and 0.16.0 up to 0.16.3. The cluster identity claimed by a registration request was accepted without being bound to the registration token that the request was made with. As a result, a registration request could be associated with a managed cluster that was originally registered with a different registration token.
Published: 2026-10-30
Score: 7.9 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 30 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Description A security vulnerability was discovered in SUSE Rancher Fleet's cluster registration flow, in Fleet versions before 0.12, 0.13.0 up to 0.13.17, 0.14.0 up to 0.14.12, 0.15.0 up t o 0.15.17 and 0.16.0 up to 0.16.3. The cluster identity claimed by a registration request was accepted without being bound to the registration token that the request was made with. As a result, a registration request could be associated with a managed cluster that was originally registered with a different registration token.
Title Cluster identity takeover in Fleet cluster registration allows access to another cluster's Fleet namespace
First Time appeared Suse
Suse rancher
Weaknesses CWE-290
CPEs cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*
Vendors & Products Suse
Suse rancher
References
Metrics cvssV3_1

{'score': 7.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: suse

Published:

Updated: 2026-10-30T15:49:01.402Z

Reserved: 2026-10-02T04:18:56.078Z

Link: CVE-2026-104615

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-30T16:17:36.687

Modified: 2026-10-30T17:44:35.820

Link: CVE-2026-104615

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-290

    Authentication Bypass by Spoofing