# CVE-2026-73226

## Summary

- **CVE ID:** CVE-2026-73226
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-913
- **Published:** Aug 11, 2026
- **Last Modified:** Aug 11, 2026

## Description

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.15.186, electerm allows an authenticated WebSocket client to invoke unintended internal functions through client-controlled func values in upgrade-func in src/app/server/dispatch-center.js and handleFs in src/app/server/fs.js, exposing Upgrade and fsExport methods that can execute commands, open files, mutate the filesystem, or terminate the process. This issue is fixed in version 3.15.186.

## Affected Products

- electerm — electerm (< 3.15.186)

## References

- [CNA](https://github.com/electerm/electerm/security/advisories/GHSA-8chw-jwc5-8587)
- [CNA](https://github.com/electerm/electerm/pull/4447)
- [CNA](https://github.com/electerm/electerm/commit/b1729eb67a4cd9cf1182de69dc2c8e051931740f)
- [CNA](https://github.com/electerm/electerm/releases/tag/v3.15.186)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.39%
- **EPSS Percentile:** 31.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._