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CVE-2026-29643

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.

XiangShan是中国XiangShan开源的一个开源高性能RISC-V处理器项目。 XiangShan存在安全漏洞，该漏洞源于CSR子系统对异常条件处理不当，可能导致本地攻击者造成拒绝服务或架构状态不一致。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.17% · P6
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I. Basic Information for CVE-2026-29643

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
XiangShan (Open-source high-performance RISC-V processor) commit edb1dfaf7d290ae99724594507dc46c2c2125384 (2024-11-28) contains an improper exceptional-condition handling flaw in its CSR subsystem (NewCSR). On affected versions, certain sequences of CSR operations targeting non-existent/custom CSR addresses may trigger an illegal-instruction exception but fail to reliably transfer control to the configured trap handler (mtvec), causing control-flow disruption and potentially leaving the core in a hung or unrecoverable state. This can be exploited by a local attacker able to execute code on the processor to cause a denial of service and potentially inconsistent architectural state.
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
XiangShan 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XiangShan是中国XiangShan开源的一个开源高性能RISC-V处理器项目。 XiangShan存在安全漏洞，该漏洞源于CSR子系统对异常条件处理不当，可能导致本地攻击者造成拒绝服务或架构状态不一致。
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-2026-29643

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III. Intelligence Information for CVE-2026-29643

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News Coverage for CVE-2026-29643 (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-2026-29648 NEMU 安全漏洞
CVE-2026-29647 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-2026-29643

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