CVE-2026-104615
Cluster identity takeover in Fleet cluster registration allows access to another cluster's Fleet namespace
- State
- Published
- Severity
- 7.9 High
- Published
- Oct 30, 2026
- Updated
- Oct 30, 2026
- Reserved
- Oct 2, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.9 High | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H | suse |
Weaknesses
- CWE-290 Authentication bypass by spoofing
Affected Products
| Product | Versions |
|---|---|
RancherSUSE |
|
References
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