What is CVE-2025-53547?

CVE-2025-53547 is a high-severity vulnerability in Helm, classified under Code Injection. CVSS score: 8.5/10. Published 2025-07-08.

How severe is CVE-2025-53547?

High severity. CVSS v3 base score is 8.5 out of 10.

Is CVE-2025-53547 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Helm

CVE-2025-53547

Helm is a package manager for Charts for Kubernetes. Prior to 3.18.4, a specially crafted Chart.yaml file along with a specially linked Chart.lock file can lead to local code execution when dependencies are updated. Fields in a Chart.yaml…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.004 (28.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:H.

Affected products

Helm — versions < 3.18.4

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
af854a3a-2127-422b-91ae-364da2661108 (Issue Tracking)

Frequently asked questions

What is CVE-2025-53547?: CVE-2025-53547 is a high-severity vulnerability in Helm, classified under Code Injection. CVSS score: 8.5/10. Published 2025-07-08.
How severe is CVE-2025-53547?: High severity. CVSS v3 base score is 8.5 out of 10.
Is CVE-2025-53547 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.