CVE-2026-104615
Cluster identity takeover in Fleet cluster registration allows access to another cluster's Fleet namespace
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Cluster identity takeover in Fleet cluster registration allows access to another cluster's Fleet namespace
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.
- Record
CVE-2026-104615- CVSS 3.1
- 7.9 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H - Weakness
- CWE-290
- Updated
- 2026-11-06
EUVDEUVD-2026-114135
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.
- Record
EUVD-2026-114135- CVSS 3.1
- 7.9 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H - Updated
- 2026-11-06
NVD
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.
- Record
CVE-2026-104615- CVSS 3.1
- 7.9 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H - Weakness
- CWE-290
- Updated
- 2026-11-06
OSV
Cluster identity takeover in Fleet cluster registration allows access to another cluster's Fleet namespace
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.
- Record
CVE-2026-104615- CVSS 3.1
- 7.9 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H - Weakness
- CWE-290
- Updated
- 2026-11-07
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | EUVD | |
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-104615 is a high vulnerability (CVSS 7.9) in Suse Rancher, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.