CVE-2025-59823
Gardener provider extensions vulnerable to code injection when Terraform is used for infrastructure provisioning
Impact
### Impact A security vulnerability was discovered in Gardener when [Terraformer](https://github.com/gardener/terraformer) is used for infrastructure provisioning. 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 CVE affects all Gardener installations where [Terraformer](https://github.com/gardener/terraformer) is used/can be enabled for infrastructure provisioning with any of the affected components mentioned below. ### Affected Components • gardener-extension-provider-gcp • gardener-extension-provider-azure • gardener-extension-provider-openstack • gardener-extension-provider-aws ### Affected Versions • gardener-extension-provider-gcp < v1.46.0 • gardener-extension-provider-azure < v1.55.0 • gardener-extension-provider-openstack < v1.49.0 • gardener-extension-provider-aws < v1.64.0 ### Fixed versions • gardener-extension-provider-gcp >= v1.46.0 • gardener-extension-provider-azure >= v1.55.0 • gardener-extension-provider-openstack >= v1.49.0 • gardener-extension-provider-aws >= v1.64.0 ### How do I mitigate this vulnerability? Update to a fixed version.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/gardener/gardener-extension-provider-aws | < 1.64.0 | 1.64.0 |
| go | github.com/gardener/gardener-extension-provider-gcp | < 1.46.0 | 1.46.0 |
| go | github.com/gardener/gardener-extension-provider-azure | < 1.55.0 | 1.55.0 |
| go | github.com/gardener/gardener-extension-provider-openstack | < 1.49.0 | 1.49.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/gardener/gardener-extension-provider-aws/releases/tag/v1.64.0
- https://github.com/gardener/gardener-extension-provider-aws/security/advisories/GHSA-227x-7mh8-3cf6
- 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
- https://github.com/advisories/GHSA-227x-7mh8-3cf6
- https://nvd.nist.gov/vuln/detail/CVE-2025-59823
- https://github.com/gardener/gardener-extension-provider-aws/commit/cb5045fc146248296994804bbfe27bd896938bf2
- https://github.com/gardener/gardener-extension-provider-azure/commit/4573a4404969f89781ed6cf72e90554bc6ae2020
- https://github.com/gardener/gardener-extension-provider-gcp/commit/51111b4f60c33c60dfdf18b1fc50f7ec8d8f70ac
- https://github.com/gardener/gardener-extension-provider-openstack/commit/2ed6f0fe1be90fbef5d6093eb0b8325c8421b8d8
- https://pkg.go.dev/vuln/GO-2025-3981