# CVE-2026-86711

## Summary

- **CVE ID:** CVE-2026-86711
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-749
- **Published:** Sep 8, 2026
- **Last Modified:** Sep 8, 2026

## Description

electerm before 5.3.15 exposes 40+ main-process functions through an unvalidated Electron IPC handler with no function-name allowlist or sender validation. Renderer-side script execution can invoke openFileWithEditor and other functions with arbitrary arguments to execute system commands in the main process.

## Affected Products

- electerm — electerm (0)

## References

- [CNA](https://github.com/electerm/electerm/security/advisories/GHSA-qc8j-6jr2-qr32)
- [CNA](https://github.com/electerm/electerm/issues/4509)
- [CNA](https://github.com/electerm/electerm/commit/b1f880534b8ae066c5d25bbf291ca7437e052750)
- [CNA](https://github.com/electerm/electerm/releases/tag/v5.3.15)
- [CNA](https://github.com/electerm/electerm/blob/v5.3.5/src/app/lib/ipc.js)
- [CNA](https://github.com/electerm/electerm)
- [CNA](https://www.vulncheck.com/advisories/electerm-before-5.3.15-arbitrary-command-execution-via-unvalidated-runglobalasync-ipc-bridge)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.14%
- **EPSS Percentile:** 3.4

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