CVE-2026-41050

CRITICAL 9.9

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

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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`.

CWE	CWE-863
Vendor	suse
Product	rancher
Published	May 13, 2026
Last Updated	May 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

SUSE / Rancher

0.15.0 < 0.15.1 0.14.0 < 0.14.5 0.13.0 < 0.13.10 0.12.0 < 0.12.14 0.11.0 < 0.11.13

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.suse.com: https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-41050 github.com: https://github.com/advisories/GHSA-765j-qfrp-hm3j

Credits

https://github.com/kodareef5