9.9

CVE-2025-47283: gardener Improper Input Validation

CVSS: 9.9v3.0CriticalModified
AliasesGHSA-3hw7-qj9h-r835GO-2025-3696
Published 19-05-2025Last modified 06-02-2026

Vulnerability summary

CVE-2025-47283 is a critical (CVSS 9.9) Improper Input Validation vulnerability in gardener. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.9/10
010
Critical · v3.0 (CVE.org)
EPSS score
0.68%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 19-05-2025
    PublishedVulnerability first disclosed.
  2. 06-02-2026
    Last modifiedVulnerability information updated.

Description

Gardener implements the automated management and operation of Kubernetes clusters as a service. A security vulnerability was discovered in Gardener prior to versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 that 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 no matter of the public cloud provider(s) used for the seed clusters/shoot clusters. `gardener/gardener` (`gardenlet`) is the affected component. Versions 1.116.4, 1.117.5, 1.118.2, and 1.119.0 fix the issue.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.68%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

+0.04 pp

From 0.63% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.68%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Gardener1 product
  • gardener< 1.116.4 | ≥ 1.117.0, < 1.117.5 | ≥ 1.118.0, < 1.118.2
Github.com/gardener1 product
  • gardener< 1.116.4 | ≥ 1.117.0, < 1.117.5 | ≥ 1.118.0, < 1.118.2

2 vendors · 2 products

References

7 links