CVE-2026-41050

Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering

Published May 13, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Description
Fleet's Helm deployer did not fully apply ServiceAccount impersonation in two code paths, allowing a tenant with git push access to a Fleet-monitored repository to read secrets from any namespace on every downstream cluster targeted by their `GitRepo`.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-765j-qfrp-hm3j Fleet: Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering
History
Type Values Removed Values Added
First Time appeared Suse rancher Fleet
CPEs cpe:2.3:a:suse:rancher_fleet:*:*:*:*:*:*:*:*
Vendors & Products Suse rancher Fleet
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Suse
Suse rancher
Vendors & Products Suse
Suse rancher
Type Values Removed Values Added
Description Fleet's Helm deployer did not fully apply ServiceAccount impersonation in two code paths, allowing a tenant with git push access to a Fleet-monitored repository to read secrets from any namespace on every downstream cluster targeted by their `GitRepo`.
Title Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
suse
Published
Updated
May 14, 2026, 3:55 AM
Reserved
Apr 16, 2026, 1:37 PM
Status
Analyzed
Published
May 13, 2026, 8:16 AM
Modified
Oct 26, 2026, 2:10 PM