CVE-2026-35477— InvenTree has SSTI in PART_NAME_FORMAT bypasses CVE-2026-27629 fix via {% if part.pk %} sandbox escape
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I. Basic Information for CVE-2026-35477
Vulnerability Information
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Vulnerability Title
InvenTree has SSTI in PART_NAME_FORMAT bypasses CVE-2026-27629 fix via {% if part.pk %} sandbox escape
Source: NVD (National Vulnerability Database)
Vulnerability Description
InvenTree is an Open Source Inventory Management System. From 1.2.3 to 1.2.6, the fix for CVE-2026-27629 upgraded the PART_NAME_FORMAT validator to use jinja2.sandbox.SandboxedEnvironment. However, the actual renderer in part/helpers.py was not updated and still uses the non-sandboxed jinja2.Environment. Additionally, the validator uses a dummy Part instance with pk=None, which allows conditional template expressions to behave differently during validation versus production rendering. A staff user with settings access can craft a template that passes validation but executes arbitrary code during rendering. This issue requires access by a user with granted staff permissions. This vulnerability is fixed in 1.2.7 and 1.3.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1336
Source: NVD (National Vulnerability Database)
Vulnerability Title
InvenTree 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
InvenTree是InvenTree开源的一个开源库存管理系统。提供强大的低级库存控制和零件跟踪。 InvenTree 1.2.3至1.2.6版本存在安全漏洞，该漏洞源于验证器与实际渲染器环境不匹配，且使用虚拟实例进行验证，可能导致具有员工权限的用户在渲染时执行任意代码。
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
II. Public POCs for CVE-2026-35477
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Same Patch Batch · inventree · 2026-04-08 · 5 CVEs total
| CVE-2026-35478 | 8.3 HIGH | InvenTree has Arbitrary API Token Creation |
| CVE-2026-35476 | 7.2 HIGH | InvenTree Affected by Privilege Escalation via API |
| CVE-2026-35479 | 6.6 MEDIUM | InvenTree Plugin Installation - Insufficient Permissions |
| CVE-2026-39362 | InvenTree has SSRF via Remote Image Download — No IP/Hostname Validation on remote_image U |
IV. Related Vulnerabilities
Same product: InvenTree
- CVE-2026-39362
InvenTree has SSRF via Remote Image Download — No IP/Hostnam - CVE-2026-35479
InvenTree Plugin Installation - Insufficient Permissions - CVE-2026-35476
InvenTree Affected by Privilege Escalation via API - CVE-2026-35478
InvenTree has Arbitrary API Token Creation - CVE-2026-33531
InvenTree has Path Traversal In Report Templates
Same vendor: inventree
- CVE-2026-39362
InvenTree has SSRF via Remote Image Download — No IP/Hostnam - CVE-2026-35479
InvenTree Plugin Installation - Insufficient Permissions - CVE-2026-35476
InvenTree Affected by Privilege Escalation via API - CVE-2026-35478
InvenTree has Arbitrary API Token Creation - CVE-2026-33531
InvenTree has Path Traversal In Report Templates
Same weakness: CWE-1336
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Server-side template injection - CVE-2026-44916
OpenStack Ironic 安全漏洞 - CVE-2026-42203
LiteLLM: Server-Side Template Injection in /prompts/test end - CVE-2026-6984
AstrBotDevs AstrBot Dashboard API t2i.py create_template spe - CVE-2026-34587
Kirby has Server-Side Template Injection (SSTI) via double t
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