Vulnerability in SUSE Rancher
CVE-2026-104615
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.9 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/rancher/fleet/security/advisories/GHSA-gx8v-2929-9q95 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-104615?
- CVE-2026-104615 is a high-severity vulnerability in SUSE Rancher, classified under Authentication Bypass by Spoofing. CVSS score: 7.9/10. Published 2026-10-30.
- How severe is CVE-2026-104615?
- High severity. CVSS v3 base score is 7.9 out of 10.