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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
SUSE Rancher unaffected
Version Status Constraints
0.16.0 affected < 0.16.3
0.15.0. affected < 0.15.17
0.14.0 affected < 0.14.12
0.13 affected < 0.13.17
0 affected ≤ 0.12

No data.

No data.

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Project Subscriptions

Vendors Products
Suse Subscribe
Rancher Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/rancher/fleet/security/advisories/GHSA-gx8v-2929-9q95 cve-icon cve-icon
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'}

Projects

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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 : Received

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

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

Link: CVE-2026-104615

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses