CVE-2026-92704— SharpEmu 调试器前端跨站请求伪造导致任意进程执行漏洞
一分钟漏洞结论
影响对象
sharpemu sharpemu
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
SharpEmu 是一款面向 Windows 和 Linux 平台的实验性 PlayStation 5 模拟器。在版本 0.0.3-release.3 及更早版本中，其随代码仓库提供的调试器前端工具在运行时存在漏洞。该工具并未包含在官方发布的归档包中。 该前端在 127.0.0.1:8765 上暴露了一个 HTTP API，且未实施任何身份验证或 CSRF 令牌保护。位于 中的 处理器未对 、 、 或 请求头进行验证。此外， 函数不仅接受标准的 内容类型，还允许使用浏览器简化内容类型（如 等）发送的 JSON 数据
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一、 漏洞 CVE-2026-92704 基础信息
漏洞信息
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Vulnerability Title
SharpEmu: Cross-site request forgery in the debugger frontend leads to arbitrary process execution
来源: CVE Program / CVE List V5
Vulnerability Description
SharpEmu is an experimental PlayStation 5 emulator for Windows and Linux. In version 0.0.3-release.3 and earlier, the repository-provided debugger frontend tooling is vulnerable while running. This tooling is not included in the release archives. The frontend exposes an HTTP API on 127.0.0.1:8765 without authentication or CSRF token. Its do_POST handler in tools/SharpEmu.DebuggerFrontend/debugger_frontend.py does not validate the Origin, Referer, Sec-Fetch-Site, or Host headers. The _read_json_body() function also accepts JSON sent with browser-simple content types instead of requiring application/json . A malicious page that can reach the loopback listener can send cross-origin requests to /api/launch , /api/command , and /api/connect . Chromium may require Local Network Access permission for pages served from public origins. Local-origin pages and other delivery paths are not consistently subject to this restriction. The /api/launch endpoint accepts an attacker-selected emulatorPath if it points to an existing file on the victim’s host. On POSIX systems, that file must also be executable. The endpoint additionally requires an existing ebootPath . The /api/command endpoint exposes debugger operations, including write-memory , set-register , and continue . The /api/connect endpoint can initiate outbound TCP connections. These operations can let an attacker execute an existing binary with the victim’s privileges, control the attached emulated process, or reach network services accessible from the host. DNS rebinding can additionally let the attacker read API responses interactively. This issue is fixed in version 0.0.3-release.3-patch.1
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-92704 的公开POC
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CVE-2026-92704 其他参考 (4)
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https://github.com/sharpemu/sharpemu/pull/858 x_refsource_MISC
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https://github.com/sharpemu/sharpemu/security/advisories/GHSA-fr3v-rvqp-8fx3 x_refsource_CONFIRM