CVE-2026-0969— Arbitrary code execution in React server-side rendering of untrusted MDX content
Quick assessment
Affected
HashiCorp Shared library
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.
HashiCorp next-mdx-remote是美国HashiCorp公司的一个内容渲染工具。 HashiCorp next-mdx-remote 6.0.0之前版本存在安全漏洞，该漏洞源于MDX内容清理不足，可能导致任意代码执行。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-0969
Vulnerability Information
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Vulnerability Title
Arbitrary code execution in React server-side rendering of untrusted MDX content
Source: CVE Program / CVE List V5
Vulnerability Description
The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content. This vulnerability, CVE-2026-0969, is fixed in next-mdx-remote 6.0.0.
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
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
HashiCorp next-mdx-remote 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp next-mdx-remote是美国HashiCorp公司的一个内容渲染工具。 HashiCorp next-mdx-remote 6.0.0之前版本存在安全漏洞，该漏洞源于MDX内容清理不足，可能导致任意代码执行。
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 |
|---|---|---|---|---|
| HashiCorp | Shared library | 4.3.0 ~ 6.0.0 | - |
|
II. Public POCs for CVE-2026-0969
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-0969 (1)
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V. Comments for CVE-2026-0969
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