Description
Project Gardener implements the automated management and operation of Kubernetes clusters as a service. Code injection may be possible in Gardener Extensions for AWS providers prior to version 1.64.0, Azure providers prior to version 1.55.0, OpenStack providers prior to version 1.49.0, and GCP providers prior to version 1.46.0. This vulnerability could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster where the shoot cluster is managed. This affects all Gardener installations where Terraformer is used/can be enabled for infrastructure provisioning with any of the affected components. This issue has been patched in Gardener Extensions for AWS providers version 1.64.0, Azure providers version 1.55.0, OpenStack providers version 1.49.0, and GCP providers version 1.46.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| gardener | gardener-extension-provider-aws | < 1.64.0, < 1.55.0, < 1.49.0, < 1.46.0 | — |
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.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | govulncheck-vulndb | 0.0.20251023T162509-150000.1.110.1 | SUSE-SU-2025:3799-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20251023T162509-1.1 | openSUSE-SU-2025:15666-1 |
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
| openSUSE Leap 15.6 | govulncheck-vulndb | 0.0.20251023T162509-150000.1.110.1 | SUSE-SU-2025:3799-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/gardener/gardener-extension-provider-aws | < 1.64.0 | 1.64.0 | GHSA-227x-7mh8-3cf6 |
| Go | github.com/gardener/gardener-extension-provider-azure | < 1.55.0 | 1.55.0 | GHSA-227x-7mh8-3cf6 |
| Go | github.com/gardener/gardener-extension-provider-gcp | < 1.46.0 | 1.46.0 | GHSA-227x-7mh8-3cf6 |
| Go | github.com/gardener/gardener-extension-provider-openstack | < 1.49.0 | 1.49.0 | GHSA-227x-7mh8-3cf6 |
Advisories 3
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026
- openSUSE-SU-2025:15666-1 govulncheck-vulndb-0.0.20251023T162509-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:3799-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/gardener/gardener-extension-provider-aws/security/advisories/GHSA-227x-7mh8-3cf6
- https://github.com/gardener/gardener-extension-provider-aws/releases/tag/v1.64.0
- https://github.com/gardener/gardener-extension-provider-azure/releases/tag/v1.55.0
- https://github.com/gardener/gardener-extension-provider-gcp/releases/tag/v1.46.0
- https://github.com/gardener/gardener-extension-provider-openstack/releases/tag/v1.49.0