RCE in N/a

CVE-2026-42168

django-pyas2 through 1.2.3 is vulnerable to OS command injection via the cmd_receive and cmd_send fields on the Partner model. These fields are passed directly to os.system() in pyas2/utils.py without sanitization, allowing an authenticated admin user to execute arbitrary commands on the server when an AS2 message is received or sent.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.021 (80.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-42168: held from 0.021 to 0.021.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-42168?
CVE-2026-42168 is a critical-severity vulnerability in N/a, classified under OS Command Injection. CVSS score: 9.1/10. Published 2026-07-17.
How severe is CVE-2026-42168?
Critical severity. CVSS v3 base score is 9.1 out of 10.