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CVE-2026-102677— Electron: Sandboxed preload code cache can be poisoned by a compromised renderer

一分钟漏洞结论

影响对象
electron electron
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。

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.3 until 42.10.0, 43.5.0, and 44.0.0-beta.6, Electron's sandboxed preload code cache did not verify that a cached entry matched the preload it was

CVSS 7.8 · High
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一、 漏洞 CVE-2026-102677 基础信息

漏洞信息

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Vulnerability Title
Electron: Sandboxed preload code cache can be poisoned by a compromised renderer
来源: CVE Program / CVE List V5
Vulnerability Description
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.3 until 42.10.0, 43.5.0, and 44.0.0-beta.6, Electron's sandboxed preload code cache did not verify that a cached entry matched the preload it was served for. A compromised renderer could write attacker-controlled cache data and cause Electron to reuse it for a later load, executing the renderer's code in the more privileged preload context. The issue affects applications that load untrusted content. This issue is fixed in versions 42.10.0, 43.5.0, and 44.0.0-beta.6.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
electron electron >= 42.3.3, < 42.10.0 -

二、漏洞 CVE-2026-102677 的公开POC

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三、漏洞 CVE-2026-102677 的情报信息

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CVE-2026-102677 其他参考 (8)

同批安全公告 · electron · 2026-09-29 · 共 5 条

CVE-2026-102676 8.3 HIGH Electron: <webview> can enable Node.js integration in Web Workers despite embedder restric
CVE-2026-102673 8.2 HIGH Electron低版本沙箱iframe弹窗绕过安全限制漏洞
CVE-2026-102674 8.2 HIGH Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox re
CVE-2026-102675 7.4 HIGH Electron: File and HTTP protocol handlers allow cross-origin reads without corsEnabled

IV. Related Vulnerabilities

Same product: electron
Same vendor: electron
Same weakness: CWE-20

V. Comments for CVE-2026-102677

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