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Kubernetes CVE-2025-53547

| EUVDEUVD-2025-20751 HIGH
Code Injection (CWE-94)
2025-07-08 security-advisories@github.com GHSA-557j-xg8c-q2mm
RCE Code Injection Kubernetes Debian Helm Red Hat Suse
8.5
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
8.5 HIGH
AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:H
SUSE
HIGH
qualitative
Red Hat
8.5 HIGH
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
High
Availability
High

Lifecycle Timeline

4
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20751
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
Patch released
Mar 16, 2026 - 04:21 nvd
Patch available
CVE Published
Jul 08, 2025 - 22:15 nvd
HIGH 8.5

DescriptionGitHub Advisory

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.

Analysis

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.

Technical ContextAI

Remote code execution allows an attacker to run arbitrary commands or code on the target system over a network without prior authentication. This vulnerability is classified as Code Injection (CWE-94).

RemediationAI

A vendor patch is available — apply it immediately. Apply vendor patches immediately. Restrict network access to vulnerable services. Implement network segmentation and monitoring for anomalous activity.

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Vendor StatusVendor

Debian

Bug #910799
helm-kubernetes
Release Status Fixed Version Urgency
open - -

SUSE

Severity: High
Product Status
Container suse/sl-micro/6.0/base-os-container:latest Affected
Container suse/sl-micro/6.1/baremetal-os-container:2.2.1-7.13 Affected
Container suse/sl-micro/6.1/base-os-container:2.2.1-5.35 Affected
Container suse/sl-micro/6.1/kvm-os-container:2.2.1-5.37 Container suse/sl-micro/6.1/rt-os-container:2.2.1-5.22 Affected
Image SL-Micro-Azure Image SL-Micro-BYOS-Azure Image SL-Micro-BYOS-EC2 Image SL-Micro-BYOS-GCE Image SL-Micro-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-Azure Image SUSE-Multi-Linux-Manager-Proxy-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-Azure-llc Image SUSE-Multi-Linux-Manager-Server-Azure-ltd Image SUSE-Multi-Linux-Manager-Server-BYOS-Azure Image SUSE-Multi-Linux-Manager-Server-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-EC2-llc Image SUSE-Multi-Linux-Manager-Server-EC2-ltd Affected

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CVE-2025-53547 vulnerability details – vuln.today
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