CVE-2024-39205 in the critical feed json
pyload-ng vulnerable to RCE with js2py sandbox escape
published 2024-09-09 2 y ago modified 2026-07-01 4 mo ago also GHSA-r9pp-r4xf-597r , PYSEC-2026-499 , EUVD-2024-2864
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 16.5%
- EPSS 16.5% chance of exploitation in 30 days, percentile 97%
- public exploits
- 1
- Metasploit
Summary
An issue in pyload-ng v0.5.0b3.dev85 running under python3.11 or below allows attackers to execute arbitrary code via a crafted HTTP request.
Timeline
- Published
- First public exploit (Metasploit exploit/linux/http/pyload_js2py_cve_2024_39205)
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
16.54% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/linux/http/pyload_js2py_cve_2024_39205 Pyload RCE (CVE-2024-39205) with js2py sandbox escape (CVE-2024-28397) metasploit exploit, excellent rank, 2024-10-28
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | pyload-ng | <=0.5.0b3.dev85 |
no fix listed |
Affected products
- pyload-ng_project pyload-ng
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/pyload/pyload
package
-
github.com
/pyload/pyload/security/advisories/GHSA-r9pp-r4xf-597r
web
- github.com /Marven11/CVE-2024-39205-Pyload-RCE/tree/main
-
nvd.nist.gov
/vuln/detail/CVE-2024-39205
advisory
-
github.com
/Marven11/CVE-2024-28397-js2py-Sandbox-Escape
web
-
github.com
/advisories/GHSA-h95x-26f3-88hr
advisory
-
pypi.org
/project/pyload-ng
package
-
github.com
/advisories/GHSA-r9pp-r4xf-597r
advisory
Sources
- CVE List CVE-2024-39205
- GitHub Advisory GHSA-r9pp-r4xf-597r
- NVD CVE-2024-39205
- OSV PYSEC-2026-499
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.