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CVE-2025-59823

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Date: September 25, 2025

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.

Severity Score

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

Improper Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version github.com/gardener/gardener-extension-provider-aws - v1.64.0;github.com/gardener/gardener-extension-provider-aws - v1.64.0;github.com/gardener/gardener-extension-provider-gcp - v1.46.0;github.com/gardener/gardener-extension-provider-gcp - v1.46.0;github.com/gardener/gardener-extension-provider-azure - v1.55.0;github.com/gardener/gardener-extension-provider-openstack - v1.49.0;github.com/gardener/gardener-extension-provider-openstack - v1.49.0

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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