RCE in Sanjevirau Gsubs

CVE-2026-90491

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.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-90491?
CVE-2026-90491 is a medium-severity vulnerability in Sanjevirau Gsubs, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-09-13.
How severe is CVE-2026-90491?
Medium severity. CVSS v3 base score is 6.3 out of 10.