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CVE-2026-29647

Quick assessment

Affected
n/a n/a
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.

NEMU是XiangShan开源的一个用于教学的全系统模拟器。 NEMU存在安全漏洞，该漏洞源于Smstateen权限执行不足，可能导致低权限代码访问IMSIC状态，造成跨上下文信息泄露或中断处理中断。

AI Predicted 6.5 Difficulty: Hard EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-29647

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
NEMU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NEMU是XiangShan开源的一个用于教学的全系统模拟器。 NEMU存在安全漏洞，该漏洞源于Smstateen权限执行不足，可能导致低权限代码访问IMSIC状态，造成跨上下文信息泄露或中断处理中断。
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
- n/a n/a -

II. Public POCs for CVE-2026-29647

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III. Intelligence Information for CVE-2026-29647

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Proof of Concept for CVE-2026-29647 (1)

Vendor Pages for CVE-2026-29647 (1)

Same Patch Batch · n/a · 2026-04-20 · 21 CVEs total

CVE-2026-6650 4.7 MEDIUM Z-BlogPHP ZBA File app_upload.php UnPack unrestricted upload
CVE-2026-6591 4.3 MEDIUM ComfyUI LoadImage Node folder_paths.py folder_paths.get_annotated_filepath path traversal
CVE-2026-6590 4.3 MEDIUM ComfyUI Model Preview Endpoint model_manager.py get_model_preview path traversal
CVE-2026-6589 4.3 MEDIUM ComfyUI server.py create_origin_only_middleware cross-site request forgery
CVE-2026-6593 3.5 LOW ComfyUI View Endpoint server.py cross site scripting
CVE-2026-6592 3.5 LOW ComfyUI userdata Endpoint user_manager.py getuserdata cross site scripting
CVE-2026-29642 XiangShan 安全漏洞
CVE-2026-29643 XiangShan 安全漏洞
CVE-2026-29648 NEMU 安全漏洞
CVE-2026-29646 NEMU 安全漏洞
CVE-2026-30266 DeepCool DeepCreative 安全漏洞
CVE-2026-29649 NEMU 安全漏洞
CVE-2026-29645 NEMU 安全漏洞
CVE-2026-39109 PHPGurukul Apartment Visitors Management System 安全漏洞
CVE-2026-39111 PHPGurukul Apartment Visitors Management System 安全漏洞
CVE-2026-39110 PHPGurukul Apartment Visitors Management System 安全漏洞
CVE-2026-39112 PHPGurukul Apartment Visitors Management System 安全漏洞
CVE-2026-26399 Arduino 安全漏洞
CVE-2025-66954 Buffalo LinkStation 安全漏洞
CVE-2026-30269 doorman 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-29647

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