Cyber Resilience

CVE-2026-41500

CriticalRCE

Published: 08 May 2026

Published
08 May 2026
Modified
08 May 2026
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0157 72.4th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-41500 is a critical-severity Command Injection (CWE-77) vulnerability in Electerm Project Electerm. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Unix Shell (T1059.004); ranked in the top 27.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-77

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
Why these techniques?

Command injection in runMac() directly enables arbitrary Unix shell command execution via exec().

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-41501Same product: Electerm Project Electerm
CVE-2026-43943Same product: Electerm Project Electerm
CVE-2026-43944Same product: Electerm Project Electerm
CVE-2026-43940Same product: Electerm Project Electerm
CVE-2026-43941Same product: Electerm Project Electerm
CVE-2025-59046Shared CWE-77
CVE-2026-23823Shared CWE-77
CVE-2025-25743Shared CWE-77
CVE-2026-40034Shared CWE-77
CVE-2025-50428Shared CWE-77

Affected Assets

electerm project
electerm
≤ 3.3.8

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References