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Vulnerability record · CVE-2026-42168 · published 17 July 2026

CVE-2026-42168: OS command injection vulnerability

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.

9.1 CVSS 3.1 Critical EPSS 2.1% · top 19.5% CWE-78 · OS command injection Deferred
9.1CVSS 3.1 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
23 Jul 2026Last modified by NVD

Description

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.

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

References

LinkTags
https://github.com/abhishek-ram/django-pyas2
https://github.com/abhishek-ram/django-pyas2/releases/tag/v1.2.3
https://github.com/m4ty-m/vulnerability-research/tree/main/CVE-2026-42168

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Source: NIST National Vulnerability Database (record CVE-2026-42168), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.