CVE-2026-29645
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I. Basic Information for CVE-2026-29645
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
NEMU (OpenXiangShan/NEMU) before v2025.12.r2 contains an improper instruction-validation flaw in its RISC-V Vector (RVV) decoder. The decoder does not correctly validate the funct3 field when decoding vsetvli/vsetivli/vsetvl, allowing certain invalid OP-V instruction encodings to be misinterpreted and executed as vset* configuration instructions rather than raising an illegal-instruction exception. This can be exploited by providing crafted RISC-V binaries to cause incorrect trap behavior, architectural state corruption/divergence, and potential denial of service in systems that rely on NEMU for correct execution or sandboxing.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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 v2025.12.r2之前版本存在安全漏洞，该漏洞源于RISC-V Vector解码器指令验证不当，可能导致特制的二进制文件造成不正确的陷阱行为、架构状态损坏或拒绝服务。
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-2026-29645
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2026-29646 | NEMU 安全漏洞 | |
| CVE-2026-29643 | XiangShan 安全漏洞 | |
| CVE-2026-29648 | NEMU 安全漏洞 | |
| CVE-2026-29647 | NEMU 安全漏洞 | |
| CVE-2026-30266 | DeepCool DeepCreative 安全漏洞 | |
| CVE-2026-29642 | XiangShan 安全漏洞 | |
| CVE-2026-29649 | 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 vendor: n/a
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V. Comments for CVE-2026-29645
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