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 file, that are carried over to a Chart.lock file when dependencies are updated and this file is written, can be crafted in a way that can cause execution if that same content were in a file that is executed (e.g., a bash.rc file or shell script). If the Chart.lock file is symlinked to one of these files updating dependencies will write the lock file content to the symlinked file. This can lead to unwanted execution. Helm warns of the symlinked file but did not stop execution due to symlinking. This issue has been resolved in Helm v3.18.4.
History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 9e-05}

epss

{'score': 7e-05}


Wed, 09 Jul 2025 17:30:00 +0000

Type Values Removed Values Added
References

Wed, 09 Jul 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 09 Jul 2025 00:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Tue, 08 Jul 2025 22:00:00 +0000

Type Values Removed Values Added
Description 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 file, that are carried over to a Chart.lock file when dependencies are updated and this file is written, can be crafted in a way that can cause execution if that same content were in a file that is executed (e.g., a bash.rc file or shell script). If the Chart.lock file is symlinked to one of these files updating dependencies will write the lock file content to the symlinked file. This can lead to unwanted execution. Helm warns of the symlinked file but did not stop execution due to symlinking. This issue has been resolved in Helm v3.18.4.
Title Helm Chart Dependency Updating With Malicious Chart.yaml Content And Symlink Can Lead To Code Execution
Weaknesses CWE-94
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-07-08T21:39:59.075Z

Updated: 2025-07-09T17:05:52.255Z

Reserved: 2025-07-02T15:15:11.516Z

Link: CVE-2025-53547

cve-icon Vulnrichment

Updated: 2025-07-09T17:05:52.255Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-07-08T22:15:27.897

Modified: 2025-07-10T13:18:53.830

Link: CVE-2025-53547

cve-icon Redhat

Severity : Important

Publid Date: 2025-07-08T21:39:59Z

Links: CVE-2025-53547 - Bugzilla