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CVE-2026-90491— sanjevirau gsubs Electron index.js showQuerySuccessPage code injection

Quick assessment

Affected
sanjevirau gsubs
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.

在 sanjevirau 的 gsubs 1.0.3 及更早版本中已发现一个安全弱点。受影响的是 Electron 组件中 文件里的 函数。通过操纵其参数 ，可能导致代码注入。该攻击可以远程执行，且利用方法（PoC/漏洞利用代码）已向公众公开，可被用于发起攻击。厂商已在此披露信息公布前收到通知，但至今未作任何回应。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions
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I. Basic Information for CVE-2026-90491

Vulnerability Information
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Vulnerability Title
sanjevirau gsubs Electron index.js showQuerySuccessPage code injection
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in sanjevirau gsubs up to 1.0.3. Impacted is the function showQuerySuccessPage of the file renderer/index.js of the component Electron. Executing a manipulation of the argument filename can lead to code injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
sanjevirau gsubs 1.0.0 cpe:2.3:a:sanjevirau:gsubs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90491

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III. Intelligence Information for CVE-2026-90491

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Other References for CVE-2026-90491 (2)

IV. Related Vulnerabilities

Same weakness: CWE-94

V. Comments for CVE-2026-90491

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