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

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Summary

CVECVE-2026-41050
StatePUBLISHED
Assignersuse
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-13 08:16:16 UTC
Updated2026-05-13 15:35:35 UTC
DescriptionFleet'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`.

Risk And Classification

Primary CVSS: v3.1 9.9 CRITICAL from [email protected]

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

EPSS: 0.000440000 probability, percentile 0.134030000 (date 2026-05-20)

Problem Types: CWE-863 | CWE-863 CWE-863: Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SUSE Rancher affected 0.15.0 0.15.1 semver Not specified
CNA SUSE Rancher affected 0.14.0 0.14.5 semver Not specified
CNA SUSE Rancher affected 0.13.0 0.13.10 semver Not specified
CNA SUSE Rancher affected 0.12.0 0.12.14 semver Not specified
CNA SUSE Rancher affected 0.11.0 0.11.13 semver Not specified

References

ReferenceSourceLinkTags
bugzilla.suse.com/show_bug.cgi [email protected] bugzilla.suse.com
github.com/advisories/GHSA-765j-qfrp-hm3j [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: https://github.com/kodareef5 (en)

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