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.

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 att…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.002 (41.2th percentile) — read the EPSS interpretation.

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.

Affected products

Electerm — versions < 3.3.8
Electerm_project Electerm

Weakness classification (CWE)

CWE-77 — Command Injection

References

https://github.com/electerm/electerm/security/advisories/GHSA-wxw2-rwmh-vr8f (x_refsource_CONFIRM, Patch, Vendor Advisory)
https://github.com/electerm/electerm/commit/59708b38c8a52f5db59d7d4eff98e31d573128ee (Patch, x_refsource_MISC)
https://github.com/electerm/electerm/releases/tag/v3.3.8 (x_refsource_MISC, 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.