CVE-2026-41050
Fleet: Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering in github.com/rancher/fleet
9.9
CRITICAL
CVSS 3.1
EPSS 0.38%
Description
Fleet: Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering in github.com/rancher/fleet
How to fix CVE-2026-41050
To remediate CVE-2026-41050, upgrade the affected package to a fixed version below.
- Go/github.com/rancher/fleet—upgrade to 0.15.1 or later
- —upgrade to 0.11.13 or later
Is CVE-2026-41050 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 0.15.0, < 0.15.1
- >= 0.11.0, < 0.11.13, >= 0.12.0, < 0.12.14, >= 0.13.0, < 0.13.10, >= 0.14.0, < 0.14.5, >= 0.15.0, < 0.15.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |