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CVE-2026-70375— HashBrown CMS - OS Command Injection via Git Deployer Branch Field

Quick assessment

Affected
HashBrownCMS hashbrown-cms
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.

HashBrown CMS是HashBrown CMS组织的一款内容管理系统。 HashBrown CMS 1.4.6及之前版本存在命令注入漏洞，该漏洞源于Git deployer组件中GitDeployer.pullRepo()函数未对配置的分支值进行转义，直接拼接到shell命令中，可能导致攻击者通过恶意分支值执行任意命令。

CVSS 8.8 · High EPSS 1.87% · P78

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
HashBrownCMS hashbrown-cms ≤ 1.4.6 affected
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I. Basic Information for CVE-2026-70375

Vulnerability Information
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Vulnerability Title
HashBrown CMS - OS Command Injection via Git Deployer Branch Field
Source: CVE Program / CVE List V5
Vulnerability Description
HashBrown CMS through 1.4.6 contains an OS Command Injection vulnerability (CWE-78) in the Git deployer component. GitDeployer.pullRepo in src/Server/Entity/Deployer/GitDeployer.js executes AppService.exec, interpolating the configured branch value directly into a shell command with no escaping.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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
HashBrown CMS 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashBrown CMS是HashBrown CMS组织的一款内容管理系统。 HashBrown CMS 1.4.6及之前版本存在命令注入漏洞，该漏洞源于Git deployer组件中GitDeployer.pullRepo()函数未对配置的分支值进行转义，直接拼接到shell命令中，可能导致攻击者通过恶意分支值执行任意命令。
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
HashBrownCMS hashbrown-cms 0 ~ 1.4.6 -

II. Public POCs for CVE-2026-70375

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 6911 chars
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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-2026-70375

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Vendor Advisories for CVE-2026-70375 (1)

IV. Related Vulnerabilities

Same product: hashbrown-cms
Same vendor: HashBrownCMS
Same weakness: CWE-78

V. Comments for CVE-2026-70375

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