CVE-2026-41050

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

State: Published
Severity: 9.9 Critical
Published: May 13, 2026
Updated: May 14, 2026
Reserved: Apr 16, 2026

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`.

Scores

CVSS	Score	Vector	Source
3.1	9.9 Critical	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	suse

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
RancherSUSE	0.15.0 to before 0.15.1Affected 0.14.0 to before 0.14.5Affected 0.13.0 to before 0.13.10Affected 0.12.0 to before 0.12.14Affected 0.11.0 to before 0.11.13Affected

References

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