CVE-2023-54345: Frappe Framework ERPNext 13.4.0 contains a sandbox escape vulnerability in RestrictedPython that allows authen

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HIGH 8.8DOWNGRADE

CVE-2023-54345 is a high-severity flaw (CVSS 8.8) affecting erpnext. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-94
Published	2026-05-05
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: frappe

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-05 12:16 UTCPublished CVE record published
2026-06-17 06:47 UTCUpdated Record last modified

frappe erpnext DOWNGRADE

Affected: 13.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.4.0

1. Check installed version

apt-cache policy erpnext || rpm -q erpnext || erpnext --version

2. No fixed release: DOWNGRADE to a release before 13.4.0 (Debian / Ubuntu)

apt-cache madison erpnext sudo apt install erpnext=<VERSION_BEFORE_13.4.0> sudo apt-mark hold erpnext

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list erpnext sudo dnf downgrade erpnext-<VERSION_BEFORE_13.4.0> sudo dnf versionlock add erpnext

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-54345?

erpnext: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-54345 being exploited?

CVE-2023-54345 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-54345 affect?

CVE-2023-54345 affects erpnext. Severity is high (CVSS 8.8). 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

How urgent is CVE-2023-54345?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2026-44442 CRITICAL 9.9 UPGRADE ERPNext is a free and open source Enterprise Resource Planning tool
CVE-2026-44447 HIGH 8.8 UPGRADE ERPNext is a free and open source Enterprise Resource Planning tool
CVE-2026-44446 HIGH 8.8 UPGRADE ERPNext is a free and open source Enterprise Resource Planning tool
CVE-2026-44440 MEDIUM 6.5 UPGRADE ERPNext is a free and open source Enterprise Resource Planning tool
CVE-2026-44445 MEDIUM 6.5 UPGRADE ERPNext is a free and open source Enterprise Resource Planning tool

References

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