TI-2025-29814 Aliases CVE-2025-47284 GHSA-9x73-87fh-54w9

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

MEDIUM 43CWE-150Published 2025-05-19 · Updated 2025-05-20

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00468 40th percentileScored 2026-11-07

Fix Fixed gardener (gardener): 1.116.4, 1.117.5, 1.118.2github.com/gardener/gardener (Go): 1.116.4, 1.117.5, 1.118.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
gardener	gardener	before 1.116.4; 1.117.0 to before 1.117.5; 1.118.0 to before 1.118.2	1.116.4, 1.117.5, 1.118.2	Patch available	CNA
—	github.com/gardener/gardener (Go)	before 1.116.4	1.116.4	Patch available	GHSA-9x73-87fh-54w9
—	github.com/gardener/gardener (Go)	1.117.0 to before 1.117.5	1.117.5	Patch available	GHSA-9x73-87fh-54w9
—	github.com/gardener/gardener (Go)	1.118.0 to before 1.118.2	1.118.2	Patch available	GHSA-9x73-87fh-54w9

gardener Vendorgardener Affected before 1.116.4; 1.117.0 to before 1.117.5; 1.118.0 to before 1.118.2 Fixed in 1.116.4, 1.117.5, 1.118.2 Patch available CNA
github.com/gardener/gardener (Go) Vendor— Affected before 1.116.4 Fixed in 1.116.4 Patch available GHSA-9x73-87fh-54w9
github.com/gardener/gardener (Go) Vendor— Affected 1.117.0 to before 1.117.5 Fixed in 1.117.5 Patch available GHSA-9x73-87fh-54w9
github.com/gardener/gardener (Go) Vendor— Affected 1.118.0 to before 1.118.2 Fixed in 1.118.2 Patch available GHSA-9x73-87fh-54w9

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gardener:gardener::::::::	before 1.116.4; 1.117.0 to before 1.117.5; 1.118.0 to before 1.118.2	Vulnerable	gardener

cpe:2.3:a:gardener:gardener:*:*:*:*:*:*:*:* Versions before 1.116.4; 1.117.0 to before 1.117.5; 1.118.0 to before 1.118.2 Vulnerable ·gardener

Remediation

Fix · CNA gardener (gardener) Fixed in 1.116.4, 1.117.5, 1.118.2
Fix · GHSA-9x73-87fh-54w9 github.com/gardener/gardener (Go) Fixed in 1.116.4 Advisory →
Fix · GHSA-9x73-87fh-54w9 github.com/gardener/gardener (Go) Fixed in 1.117.5 Advisory →
Fix · GHSA-9x73-87fh-54w9 github.com/gardener/gardener (Go) Fixed in 1.118.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2025-47284
2026-10-03 Alias added: GHSA-9x73-87fh-54w9

References

Advisory 2

Other 1

https://github.com/gardener/gardener

TI-2025-29813 Bypassing project secret validation can lead to privilege escalation CVSS 3.1CRITICAL 9.9
TI-2019-09329 In Gardener before 0.20.0, incorrect access control in seed clusters allows information… CVSS 3.0HIGH 8.5
TI-2018-01854 Following the Gardener architecture, the Kubernetes apiserver of a Gardener managed shoot… CVSS 3.0HIGH 8.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences