CVE-2023-54345

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.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-28)

CWE

CWE-94

Published

2026-05-05

Modified

2026-10-28

Record from

the NVD, synced 2026-10-28

Affected

• frappe:erpnext

References

• http://erpnext.org
• https://frappeframework.com/docs/v13/user/en/desk/scripting/server-script
• https://gist.github.com/lebr0nli/c2fc617390451f0e5a4c31c87d8720b6
• https://github.com/frappe/frappe/
• https://github.com/frappe/frappe/blob/v13.4.0/frappe/utils/safe_exec.py#L42

Check your stackJSON