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CVE-2026-114606— draw.io Desktop: Arbitrary local-file read via read-side IPC (no blessed-path gate)

Quick assessment

Affected
jgraph drawio-desktop
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.

draw.io Desktop 是 draw.io 官方的 Electron 构建版本。在 31.4.4 版本之前，draw.io Desktop 存在任意本地文件泄露漏洞，该漏洞源于 Electron 主进程中读取侧的 IPC（进程间通信）处理程序。具体而言，readFile、getFileDrafts、getBkpFile、fileStat、isFileWritable、checkFileExists 和 watchFile 等操作均直接作用于由渲染进程（renderer）指定的文件系统路径，且未实施“受信任路

CVSS 5.6 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
jgraph drawio-desktop < 31.4.4 affected
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I. Basic Information for CVE-2026-114606

Vulnerability Information
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Vulnerability Title
draw.io Desktop: Arbitrary local-file read via read-side IPC (no blessed-path gate)
Source: CVE Program / CVE List V5
Vulnerability Description
draw.io Desktop is the official Electron build of draw.io. Prior to 31.4.4, draw.io Desktop is vulnerable to arbitrary local-file disclosure through the Electron main process's read-side IPC handlers. The readFile, getFileDrafts, getBkpFile, fileStat, isFileWritable, checkFileExists, and watchFile actions operate on a renderer-chosen filesystem path with no blessed-path (assertWritablePath) authorization. The only gates are validateSender — a URL-prefix origin check — plus, for readFile alone, a content "sniff" and a lexical appBaseDir prefix block. The write-side handlers (saveFile, writeFile, saveDraft, deleteFile) are all protected by assertWritablePath; the read side is not. The result is a read/write authorization asymmetry: any frame executing in the app's file:// origin can read the contents of local files that the same origin is explicitly forbidden to write. This issue is fixed in version 31.4.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
jgraph drawio-desktop < 31.4.4 -

II. Public POCs for CVE-2026-114606

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III. Intelligence Information for CVE-2026-114606

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Other References for CVE-2026-114606 (3)

IV. Related Vulnerabilities

Same vendor: jgraph
Same weakness: CWE-22

V. Comments for CVE-2026-114606

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