CVE-2026-90491CWE-74CWE-94code-injection

CVE-2026-90491

Medium · published September 13, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
35.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · 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
EPSS
0.00423 · 35.5th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-09-13T06:17Z
References (6)
https://github.com/LeoWSY-hashblue/cve-electron-2/blob/master/gsubs/cve.md · [email protected]https://github.com/LeoWSY-hashblue/cve-electron-2/tree/master/gsubs/poc · [email protected]https://vuldb.com/cve/CVE-2026-90491 · [email protected]https://vuldb.com/submit/891691 · [email protected]https://vuldb.com/vuln/403079 · [email protected]https://vuldb.com/vuln/403079/cti · [email protected]
EPSS history
Timeline
  • 15 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 13 SEP 01:00Z
    sanjevirau gsubs Electron index.js showQuerySuccessPage code injection
    cvelistv5