Vulnerability · Published Sep 25, 2025 · Assigned by GitHub_M
CVE-2025-59823Gardener providers vulnerable to code injection when Terraformer is used for infrastructure provisioning
Critical 9.9
In plain English
A critical-severity code injection in gardener-extension-provider-aws from gardener. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/gardener/gardener-extension-provider-aws | 1.64.0 | GHSA-227x-7mh8-3cf6 |
| Go | github.com/gardener/gardener-extension-provider-aws | 1.64.0 | GO-2025-3981 |
| Go | github.com/gardener/gardener-extension-provider-azure | 1.55.0 | GHSA-227x-7mh8-3cf6 |
| Go | github.com/gardener/gardener-extension-provider-azure | 1.55.0 | GO-2025-3981 |
| Go | github.com/gardener/gardener-extension-provider-gcp | 1.46.0 | GO-2025-3981 |
| Go | github.com/gardener/gardener-extension-provider-gcp | 1.46.0 | GHSA-227x-7mh8-3cf6 |
| Go | github.com/gardener/gardener-extension-provider-openstack | 1.49.0 | GHSA-227x-7mh8-3cf6 |
| Go | github.com/gardener/gardener-extension-provider-openstack | 1.49.0 | GO-2025-3981 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| gardener | gardener-extension-provider-aws | < 1.64.0< 1.55.0< 1.49.0< 1.46.0 |
Weakness: CWE-94 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References
- https://github.com/gardener/gardener-extension-provider-aws/security/advisories/GHSA-227x-7mh8-3cf6 x_refsource_CONFIRM
- https://github.com/gardener/gardener-extension-provider-aws/releases/tag/v1.64.0 x_refsource_MISC
- https://github.com/gardener/gardener-extension-provider-azure/releases/tag/v1.55.0 x_refsource_MISC
- https://github.com/gardener/gardener-extension-provider-gcp/releases/tag/v1.46.0 x_refsource_MISC
- https://github.com/gardener/gardener-extension-provider-openstack/releases/tag/v1.49.0 x_refsource_MISC