What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-08 · updated 2026-06-17
• Weakness: CWE-77

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.

Affected products

• electerm: before 3.3.8 — fixed in 3.3.8

How to fix

Upgrade to a fixed version: electerm 3.3.8. Check the vendor advisory for mitigations.

References

• https://github.com/electerm/electerm/commit/59708b38c8a52f5db59d7d4eff98e31d573128ee
• https://github.com/electerm/electerm/releases/tag/v3.3.8
• https://github.com/electerm/electerm/security/advisories/GHSA-wxw2-rwmh-vr8f

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