CVE-2025-59823

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.9 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 78% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.9Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.9
EG Score
9.9(medium)
EPSS
37.9%
KEV
Not listed

Published

September 25, 2025

Last Modified

April 15, 2026

Advisory Details (5)

Auto-updated Jul 12, 2026
Patch available. Sources: github_release, github.
github_release Patch Available

v1.49.0

Patch available: gardener/gardener-extension-provider-openstack v1.49.0

https://github.com/gardener/gardener-extension-provider-openstack/releases/tag/v1.49.0
github_release Patch Available

v1.46.0

Patch available: gardener/gardener-extension-provider-gcp v1.46.0

https://github.com/gardener/gardener-extension-provider-gcp/releases/tag/v1.46.0
github_release Patch Available

v1.55.0

Patch available: gardener/gardener-extension-provider-azure v1.55.0

https://github.com/gardener/gardener-extension-provider-azure/releases/tag/v1.55.0
github Patch Available

Terraform code injection may be possible when Terraformer is used for infrastructure provisioning · Advisory · gardener/gardener-extension-provider-aws · GitHub

https://github.com/gardener/gardener-extension-provider-aws/security/advisories/GHSA-227x-7mh8-3cf6
github_release Patch Available

v1.64.0

Patch available: gardener/gardener-extension-provider-aws v1.64.0

https://github.com/gardener/gardener-extension-provider-aws/releases/tag/v1.64.0

Affected Packages

(4 across 1 ecosystem)
Go(4)
PackageVulnerable rangeFixed inDependents
github.com/gardener/gardener-extension-provider-aws—1.64.0—
github.com/gardener/gardener-extension-provider-azure—1.55.0—
github.com/gardener/gardener-extension-provider-gcp—1.46.0—
github.com/gardener/gardener-extension-provider-openstack—1.49.0—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 112 total refreshes for this CVE.

  1. 2026-07-12 05:46 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-59823?
CVE-2025-59823 is a critical vulnerability published on 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…
When was CVE-2025-59823 disclosed?
CVE-2025-59823 was first published in the National Vulnerability Database on September 25, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-59823 actively exploited?
CVE-2025-59823 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-59823?
CVE-2025-59823 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2025-59823?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-59823, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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