CVE-2026-43944 electerm: dangerous code can be run through links or command line
Attackers can execute arbitrary local code by tricking users into clicking crafted deep links or opening malicious shortcuts in the electerm terminal client.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-43944?
CVE-2026-43944 is a critical code injection vulnerability in electerm, published on 8 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. From versions 3.0.6 to before 3.8.15, electerm is vulnerable to arbitrary local code execution via deep links, CLI --opts, or crafted shortcuts. Exploit requires clicking a crafted electerm://... link or opening a crafted shortcut/command that launches electerm with attacker-controlled opts. This issue has been patched in version 3.8.15.
Which versions are affected by CVE-2026-43944?
2 open source packages ship an affected version, including electerm. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
electerm npm | From 3.0.6 | 3.8.8 |
electerm npm | From 3.0.6 | 3.8.8 |
Products include Electerm Project Electerm.
How do I fix CVE-2026-43944?
Upgrade electerm to 3.8.8 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-43944 being exploited?
There is no known exploitation of CVE-2026-43944 in the wild and no public exploit code.
Other vulnerabilities in electerm
- CVE-2026-41500 electerm has Command Injection Vulnerability via runMac function
- CVE-2026-41501 electerm has Command Injection Vulnerability via runLinux function
- CVE-2020-23256 electerm allows unauthorized users to execute arbitrary commands
- CVE-2026-43941 Unvalidated shell.openExternal in electerm allows arbitrary protocol execution via terminal link click
- CVE-2026-45353 electerm: Local code through electerm's single-instance socket
Sources
Also known as GHSA-mpm8-cx2p-626q.