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CVE-2026-44444— Lumiverse: Spindle extension install runs untrusted lifecycle scripts before security scan

Quick assessment

Affected
prolix-oc Lumiverse
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lumiverse是Prolix OCs个人开发者的一个全功能AI聊天应用套件。 Lumiverse 0.9.7之前版本存在操作系统命令注入漏洞，该漏洞源于Spindle扩展构建管道在运行静态后端安全扫描前调用bun install时未使用--ignore-scripts标志，恶意扩展通过package.json中的preinstall、postinstall或prepare生命周期脚本可在管理员按下安装时实现主机级代码执行。

CVSS 9.1 · Critical EPSS 0.37% · P30

Affected Version Matrix 1

VendorProduct Version RangeStatus
prolix-oc Lumiverse < 0.9.7 affected
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I. Basic Information for CVE-2026-44444

Vulnerability Information
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Vulnerability Title
Lumiverse: Spindle extension install runs untrusted lifecycle scripts before security scan
Source: CVE Program / CVE List V5
Vulnerability Description
Lumiverse is a full-featured AI chat application. Prior to 0.9.7, the Spindle extension build pipeline calls bun install without the --ignore-scripts flag before running the static backend safety scan (assertSafeBackendBundle). A malicious extension that ships a package.json with a preinstall, postinstall, or prepare lifecycle script achieves host-level code execution the moment an admin presses Install before any dist file is inspected. This vulnerability is fixed in 0.9.7.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Lumiverse 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lumiverse是Prolix OCs个人开发者的一个全功能AI聊天应用套件。 Lumiverse 0.9.7之前版本存在操作系统命令注入漏洞，该漏洞源于Spindle扩展构建管道在运行静态后端安全扫描前调用bun install时未使用--ignore-scripts标志，恶意扩展通过package.json中的preinstall、postinstall或prepare生命周期脚本可在管理员按下安装时实现主机级代码执行。
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
prolix-oc Lumiverse < 0.9.7 -

II. Public POCs for CVE-2026-44444

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8743 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-44444

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Vendor Advisories for CVE-2026-44444 (1)

Same Patch Batch · prolix-oc · 2026-05-26 · 5 CVEs total

CVE-2026-44450 9.9 CRITICAL Lumiverse: RCE via MCP stdio argument injection
CVE-2026-44451 9.3 CRITICAL Lumiverse: TSX component sandbox escape via DOM ref and string-split identifier bypass
CVE-2026-44449 9.1 CRITICAL Lumiverse: SMB `exists()` basename injection via smbclient `!cmd` escape
CVE-2026-44443 4.8 MEDIUM Lumiverse: Sign-up nonce race condition allows unauthorized account registration

IV. Related Vulnerabilities

Same product: Lumiverse
Same vendor: prolix-oc
Same weakness: CWE-78

V. Comments for CVE-2026-44444

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