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CVE-2025-47284

Gardener vulnerable to metadata injection for a project secret that can lead to privilege escalation

9.9 CriticalFix available

Gardener implements the automated management and operation of Kubernetes clusters as a service. A security vulnerability was discovered in the gardenlet component of Gardener prior to versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0. It could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster(s) where their shoot clusters are managed. This CVE affects all Gardener installations where gardener/gardener-extension-provider-gcp is in use. Versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 fix the issue.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.47%Up 0.4 points since May 20, 2025
90%50%10%1%

What each source reports

CVE List Score used 9.9

Gardener vulnerable to metadata injection for a project secret that can lead to privilege escalation

Gardener implements the automated management and operation of Kubernetes clusters as a service. A security vulnerability was discovered in the gardenlet component of Gardener prior to versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0. It could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster(s) where their shoot clusters are managed. This CVE affects all Gardener installations where gardener/gardener-extension-provider-gcp is in use. Versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 fix the issue.

Record
CVE-2025-47284
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-150
Updated
2026-11-02
EUVDEUVD-2025-15744 9.9

Gardener implements the automated management and operation of Kubernetes clusters as a service. A security vulnerability was discovered in the gardenlet component of Gardener prior to versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0. It could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster(s) where their shoot clusters are managed. This CVE affects all Gardener installations where gardener/gardener-extension-provider-gcp is in use. Versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 fix the issue.

Record
EUVD-2025-15744
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-9x73-87fh-54w9 9.9

Gardener allows metadata injection for a project secret which can lead to privilege escalation

A security vulnerability was discovered in the gardenlet component of Gardener. It could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster(s) where their shoot clusters are managed.

Am I Vulnerable?

This CVE affects all Gardener installations where https://github.com/gardener/gardener-extension-provider-gcp is in use.

Affected Components

  • gardener/gardener (gardenlet)

Affected Versions

  • < v1.116.4
  • < v1.117.5
  • < v1.118.2
  • < v1.119.0

Fixed Versions

  • >= v1.116.4
  • >= v1.117.5
  • >= v1.118.2
  • >= v1.119.0

How do I mitigate this vulnerability?

Update to a fixed version.

Record
GHSA-9x73-87fh-54w9
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-150
Updated
2026-11-02
NVD 9.9

Gardener implements the automated management and operation of Kubernetes clusters as a service. A security vulnerability was discovered in the gardenlet component of Gardener prior to versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0. It could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster(s) where their shoot clusters are managed. This CVE affects all Gardener installations where gardener/gardener-extension-provider-gcp is in use. Versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 fix the issue.

Record
CVE-2025-47284
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-150
Updated
2026-11-02
OSV 9.9

Gardener vulnerable to metadata injection for a project secret that can lead to privilege escalation

Gardener implements the automated management and operation of Kubernetes clusters as a service. A security vulnerability was discovered in the gardenlet component of Gardener prior to versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0. It could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster(s) where their shoot clusters are managed. This CVE affects all Gardener installations where gardener/gardener-extension-provider-gcp is in use. Versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 fix the issue.

Record
CVE-2025-47284
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-150
Updated
2026-11-02
OSVGHSA-9x73-87fh-54w9 9.9

Gardener allows metadata injection for a project secret which can lead to privilege escalation

A security vulnerability was discovered in the gardenlet component of Gardener. It could allow a user with administrative privileges for a Gardener project to obtain control over the seed cluster(s) where their shoot clusters are managed.

Am I Vulnerable?

This CVE affects all Gardener installations where https://github.com/gardener/gardener-extension-provider-gcp is in use.

Affected Components

  • gardener/gardener (gardenlet)

Affected Versions

  • < v1.116.4
  • < v1.117.5
  • < v1.118.2
  • < v1.119.0

Fixed Versions

  • >= v1.116.4
  • >= v1.117.5
  • >= v1.118.2
  • >= v1.119.0

How do I mitigate this vulnerability?

Update to a fixed version.

Record
GHSA-9x73-87fh-54w9
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-150
Updated
2026-11-02
OSVGO-2025-3698 No score

Gardener allows metadata injection for a project secret which can lead to privilege escalation in github.com/gardener/gardener

Gardener allows metadata injection for a project secret which can lead to privilege escalation in github.com/gardener/gardener

Record
GO-2025-3698
Updated
2026-11-02
OSVopenSUSE-SU-2025:15159-1 No score

govulncheck-vulndb-0.0.20250523T151856-1.1 on GA media

These are all security issues fixed in the govulncheck-vulndb-0.0.20250523T151856-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:15159-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/gardener/gardener
Go
 before 1.116.4
1.116.4
github.com/gardener/gardener
Go
 1.117.0 up to 1.117.5
1.117.5
github.com/gardener/gardener
Go
 1.118.0 up to 1.118.2
1.118.2
github.com/gardener/gardener
Go
 before 1.116.4, 1.117.0 up to 1.117.5, 1.118.0 up to 1.118.2
1.116.41.117.51.118.2
govulncheck-vulndb
openSUSE:Tumbleweed
From an advisory covering 14 CVEs
 before 0.0.20250523T151856-1.1
0.0.20250523T151856-1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-47284 is a critical vulnerability (CVSS 9.9) in Gardener, published May 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. Fixed in github.com/gardener/gardener 1.116.4.

References

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