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OpenAdvisories
Critical · 9.4 CVE-2026-41052 EUVD-2026-40130GHSA-vx8h-4prv-g744GO-2026-5876

Rancher Privilege Escalation from Project Owner to Host

Published Jun 29, 2026 · Updated Jun 30, 2026 · Assigned by suse

Description

Improper privilege handling could be used by users with Project Owner role to escalate privileges, in Rancher versions 2.14 before 2.14.2, 2.13 before 2.13.6, and 2.12 before 2.12.10.

Affected products

VendorProductAffectedFixed
SUSE Rancher 2.12.0 – < 2.12.10, 2.13.0 – < 2.13.6, 2.14.0 – < 2.14.2 2.12.10

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1

Affected packages

EcosystemPackageAffectedFixedRecord
Go github.com/rancher/rancher >= 2.14.0, < 2.14.2 2.14.2 GHSA-vx8h-4prv-g744
Go github.com/rancher/rancher >= 2.13.0, < 2.13.6 2.13.6 GHSA-vx8h-4prv-g744
Go github.com/rancher/rancher >= 2.12.0, < 2.12.10 2.12.10 GHSA-vx8h-4prv-g744
Go github.com/rancher/rancher < 0.0.0-20260513182521-2800aaac25b5 0.0.0-20260513182521-2800aaac25b5 GHSA-vx8h-4prv-g744

Advisories 2

References