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CVE-2026-34406— APTRS: Privilege Escalation via Mass Assignment of is_superuser in User Edit Endpoint

Quick assessment

Affected
APTRS APTRS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

APTRS（Automated Penetration Testing Reporting System）是APTRS开源的一款基于 Python 和 Django 的自动报告工具。专为渗透测试人员和安全组织而设计。 APTRS 2.0.1之前版本存在安全漏洞，该漏洞源于edit_user端点允许用户通过请求体修改is_superuser字段，可能导致权限提升。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.80% · P55

Possible ATT&CK Techniques 1 AI

T1136.001 · Local Account
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I. Basic Information for CVE-2026-34406

Vulnerability Information
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Vulnerability Title
APTRS: Privilege Escalation via Mass Assignment of is_superuser in User Edit Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-915
Source: CVE Program / CVE List V5
Vulnerability Title
APTRS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
APTRS（Automated Penetration Testing Reporting System）是APTRS开源的一款基于 Python 和 Django 的自动报告工具。专为渗透测试人员和安全组织而设计。 APTRS 2.0.1之前版本存在安全漏洞，该漏洞源于edit_user端点允许用户通过请求体修改is_superuser字段，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
APTRS APTRS < 2.0.1 -

II. Public POCs for CVE-2026-34406

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III. Intelligence Information for CVE-2026-34406

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Patches & Fixes for CVE-2026-34406 (1)

Vendor Advisories for CVE-2026-34406 (1)

IV. Related Vulnerabilities

Same product: APTRS
Same vendor: APTRS
Same weakness: CWE-915

V. Comments for CVE-2026-34406

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