CVE-2026-42168

9.1 criticalEPSS 2.1%

Critical (9.1). EPSS 2.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.1 critical

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

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2026-07-17
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

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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