Improper Validation in Helm Package Manager for Kubernetes
CVE-2025-55198

6.5MEDIUM

Key Information:

Vendor

Helm

Status
Helm
Vendor
CVE Published:
14 August 2025

What is CVE-2025-55198?

Helm, a widely used package manager for Kubernetes Charts, has a vulnerability that arises from improper validation during the parsing of Chart.yaml and index.yaml files. This flaw can potentially lead to a panic, disrupting the functionality of the application. Users are urged to upgrade to Helm version 3.18.5 or later to mitigate this issue. For those unable to upgrade immediately, a temporary workaround involves ensuring that YAML files are properly formatted according to Helm's requirements prior to processing.

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Deploy the Patch

Affected Version(s)

helm < 3.18.5

References

https://github.com/helm/helm/security/advisories/GHSA-f9f...
x_refsource_CONFIRM
https://github.com/helm/helm/commit/ec5f59e2db56533d042a1...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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