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: 0.000 (6.8th 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)
Public proof-of-concept exploits
References
- https://github.com/helm/helm/security/advisories/GHSA-557j-xg8c-q2mm (x_refsource_CONFIRM)
- https://github.com/helm/helm/commit/4b8e61093d8f579f1165cdc6bd4b43fa5455f571 (x_refsource_MISC)
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.