CVE-2026-86711

High

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.

SeverityHigh

CVSS7.4

Exploit probability—

ProductElecterm

PublishedSep 8, 2026

First seenSep 8, 2026

Weakness typeCWE-749CWE-749

How to fix

Update

electerm electerm5.3.15 or later

Patches

github.com/electerm/electerm/commit/b1f880534b8ae066c5d25bbf291ca7437e052750

Vendor advisories

github.com/electerm/electerm/security/advisories/GHSA-qc8j-6jr2-qr32
github.com/electerm/electerm/releases/tag/v5.3.15

Affected products

Product	Affected versions	Fixed in
electerm electerm	v < 5.3.15	5.3.15

Check your version

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