CVE-2025-53547: GO-2025-3802 - Helm vulnerable to Code Injection through malicious chart.yaml content in helm.sh/helm

CVE-2025-53547 · Severity: low · CVSS 3.1 · Published 2025-07-21

Helm vulnerable to Code Injection through malicious chart.yaml content in helm.sh/helm

Technologies: helm.sh/helm/v3 (Go). Vendors: Go.

Quick answers

Is CVE-2025-53547 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-53547 being exploited in the wild.
How severe is CVE-2025-53547?
Low severity, with a CVSS score of 3.1, published 21 July 2025.
Which products and versions are affected?
helm.sh/helm/v3 (Go) SEMVER:introduced=0,fixed=3.18.4, SEMVER:introduced=3.18.0-rc.1,fixed=3.18.4.
Is there a fix for CVE-2025-53547?
Yes. helm.sh/helm/v3 (Go): upgrade to 3.18.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-53547?
Check whether you run helm.sh/helm/v3 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • helm.sh/helm/v3 (Go): upgrade to 3.18.4 or later
    go get helm.sh/helm/v3@v3.18.4

Affected products

  • helm.sh/helm/v3 (Go) SEMVER:introduced=0,fixed=3.18.4, SEMVER:introduced=3.18.0-rc.1,fixed=3.18.4

Identifiers

  • CVE-2025-53547
  • GHSA-557j-xg8c-q2mm
  • GO-2025-3802

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.