CVE Catalog

CVE-2026-34406

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.51%

40th percentile - higher than 40% of all known CVEs

Summary

APTRS before version 2.0.1 has a privilege escalation vulnerability in the edit_user endpoint (POST /api/auth/edituser/<pk>). Any user can set the is_superuser flag to true for their own or another account, gaining full access without re-authentication.

Risk Assessment

An unauthenticated or low-privileged user can gain administrator privileges, leading to full system compromise.

Recommendation

Upgrade APTRS to version 2.0.1, which prevents non-superusers from modifying the is_superuser field.

Related vulnerabilities

Original NVD description (English source)

APTRS (Automated Penetration Testing Reporting System) is a Python and Django-based automated reporting tool designed for penetration testers and security organizations. Prior to version 2.0.1, the edit_user endpoint (POST /api/auth/edituser/<pk>) allows Any user who can reach that endpoint and submit crafted permission to escalate their own account (or any other account) to superuser by including "is_superuser": true in the request body. The root cause is that CustomUserSerializer explicitly includes is_superuser in its fields list but omits it from read_only_fields, making it a writable field. The edit_user view performs no additional validation to prevent non-superusers from modifying this field. Once is_superuser is set to true, gaining unrestricted access to all application functionality without requiring re-authentication. This issue has been patched in version 2.0.1.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS