RCE in Electerm
CVE-2026-41500
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.025 · change: +0.009
Affected products
- Electerm — versions < 3.3.8
- Electerm Project
Weakness classification (CWE)
References
- github.com/electerm/electerm/security/advisories/GHSA-wxw2-rwmh-vr8f (Patch, Vendor Advisory)
- github.com/electerm/electerm/commit/59708b38c8a52f5db59d7d4eff98e31d573128ee (Patch)
- github.com/electerm/electerm/releases/tag/v3.3.8 (Release Notes)
Frequently asked questions
- What is CVE-2026-41500?
- CVE-2026-41500 is a critical-severity vulnerability in Electerm, classified under Command Injection. CVSS score: 9.8/10. Published 2026-05-08.
- How severe is CVE-2026-41500?
- Critical severity. CVSS v3 base score is 9.8 out of 10.