# CVE-2026-90491

## Summary

- **CVE ID:** CVE-2026-90491
- **Severity:** MEDIUM
- **CVSS Score:** 7.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-94, CWE-74
- **Published:** Sep 13, 2026
- **Last Modified:** Sep 15, 2026

## 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.

## Affected Products

- sanjevirau — gsubs (1.0.0)
- sanjevirau — gsubs (1.0.1)
- sanjevirau — gsubs (1.0.2)
- sanjevirau — gsubs (1.0.3)

## References

- [CNA](https://vuldb.com/vuln/403079)
- [CNA](https://vuldb.com/vuln/403079/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90491)
- [CNA](https://vuldb.com/submit/891691)
- [CNA](https://github.com/LeoWSY-hashblue/cve-electron-2/blob/master/gsubs/cve.md)
- [CNA](https://github.com/LeoWSY-hashblue/cve-electron-2/tree/master/gsubs/poc)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.24%
- **EPSS Percentile:** 15.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._