CVE-2024-28397

MEDIUMNVD 5.38.8▲Weaponized

5.3

An issue in the component js2py.disable_pyimport() of js2py up to v0.74 allows attackers to execute arbitrary code via a crafted API call.

CVSS v3: 5.3
EG Score: 8.8(medium)
EPSS: 98.3%
KEV: Not listed

Published

June 20, 2024

Last Modified

April 15, 2026

References (4)

cve@mitrehttps://github.com/Marven11
cve@mitrehttps://github.com/Marven11/CVE-2024-28397-js2py-Sandbox-Escape
af854a3a-2127-422b-91ae-364da2661108https://github.com/Marven11
af854a3a-2127-422b-91ae-364da2661108https://github.com/Marven11/CVE-2024-28397-js2py-Sandbox-Escape

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
pip	js2py	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
js2py	0.1 ... 0.74 (48 versions)	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-08 14:16 UTCepss_batch
2026-06-07 15:24 UTCepss_batch
2026-06-07 15:24 UTCepss_batch
2026-06-06 13:46 UTCepss_batch
2026-06-06 13:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch

Publicly available exploits

(7 references)

Working exploit code is in the public domain (1 Metasploit module) (4 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-52532
First seen Apr 30, 2026
Js2Py 0.74 - RCE
Open source ↗
GitHub PoCxeloxa/CVE-2024-28397-Js2Py-RCE-Exploit
First seen Feb 3, 2026
Professional exploit for CVE-2024-28397: Js2Py Sandbox Escape leading to Remote Code Execution (RCE). Includes modular payload generation.
Open source ↗
GitHub PoCnaclapor/CVE-2024-28397
First seen Sep 9, 2025
This repository contains a python exploit code for CVE-2024-28397 intended for use on the "CodePartTwo" machine on Hack The Box (HTB).
Open source ↗
GitHub PoCGhostOverflow/CVE-2024-28397-command-execution-poc
First seen Aug 17, 2025
This vulnerability arises from incomplete sandboxing in js2py, where crafted JavaScript can traverse Python’s internal object model and access dangerous classes like subprocess.Popen, leading to arbitrary command execution.
Open source ↗
Metasploitexploit/linux/http/pyload_js2py_cve_2024_39205✓ verified
First seen Oct 28, 2024
Pyload RCE (CVE-2024-39205) with js2py sandbox escape (CVE-2024-28397)
Open source ↗
GitHub PoCMarven11/CVE-2024-28397-js2py-Sandbox-Escape
First seen Jun 19, 2024
CVE-2024-28397: js2py sandbox escape, bypass pyimport restriction.
Open source ↗
Nucleihttp/cves/2024/CVE-2024-28397.yaml
First seen Jan 1, 2024
pyload-ng js2py - Remote Code Execution
Open source ↗

Frequently asked(5)

What is CVE-2024-28397?

CVE-2024-28397 is a medium vulnerability published on June 20, 2024. An issue in the component js2py.disable_pyimport() of js2py up to v0.74 allows attackers to execute arbitrary code via a crafted API call.

When was CVE-2024-28397 disclosed?

CVE-2024-28397 was first published in the National Vulnerability Database on June 20, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-28397 actively exploited?

CVE-2024-28397 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-28397?

CVE-2024-28397 has a CVSS v3 base score of 5.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.

How do I remediate CVE-2024-28397?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-28397, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-28397

Explore →

Is Your Infrastructure Affected by CVE-2024-28397?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2024-28397

📅 Published

🔄 Last Modified

🔗 References (4)