Improper Verification of Source of a Communication Channel Affecting electerm package, versions >=3.0.6 <3.9.5
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-JS-ELECTERM-16726191
- published17 May 2026
- disclosed14 May 2026
- creditCurly-Haired-Baboon
Introduced: 14 May 2026
NewCVE-2026-45353 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
Common Weakness Enumeration (CWE) is a category system for software weaknesses
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade electerm to version 3.9.5 or higher.
Overview
electerm is an open-sourced terminal/ssh/telnet/serialport/sftp client
Affected versions of this package are vulnerable to Improper Verification of Source of a Communication Channel via the single-instance socket process. An attacker can execute arbitrary code by sending a crafted JSON payload from a same-user process, causing the application to create tabs and potentially spawn attacker-controlled local processes.