CVE-2026-41500 electerm has Command Injection Vulnerability via runMac function

What is CVE-2026-41500?

CVE-2026-41500 is a critical vulnerability in electerm, published on 8 May 2026.

Official description

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.3.8, a command injection vulnerability exists in github.com/elcterm/electerm/npm/install.js:150. The runMac() function appends attacker-controlled remote releaseInfo.name directly into an exec("open ...") command without validation. This issue has been patched in version 3.3.8.

Weakness: CWE-77

Which versions are affected by CVE-2026-41500?

2 open source packages ship an affected version, including electerm. It affects 1 product.

Products include Electerm Project Electerm.

How do I fix CVE-2026-41500?

Upgrade electerm to 3.3.8 or later.

Is CVE-2026-41500 being exploited?

There is no known exploitation of CVE-2026-41500 in the wild and no public exploit code.

Other vulnerabilities in electerm

• CVE-2026-41501 electerm has Command Injection Vulnerability via runLinux function Critical 9.8
• CVE-2020-23256 electerm allows unauthorized users to execute arbitrary commands Critical 9.8
• CVE-2026-43941 Unvalidated shell.openExternal in electerm allows arbitrary protocol execution via terminal link click Critical 9.6
• CVE-2026-43944 electerm: dangerous code can be run through links or command line Critical 9.4
• CVE-2026-45353 electerm: Local code through electerm's single-instance socket Critical 9.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wxw2-rwmh-vr8f.