CVE-2026-73226 Code injection in electerm
An authenticated attacker can invoke arbitrary internal functions in electerm to execute commands or modify the filesystem due to missing method allowlists.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73226?
CVE-2026-73226 is a high-severity code injection vulnerability in electerm, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.15.186, electerm allows an authenticated WebSocket client to invoke unintended internal functions through client-controlled func values in upgrade-func in src/app/server/dispatch-center.js and handleFs in src/app/server/fs.js, exposing Upgrade and fsExport methods that can execute commands, open files, mutate the filesystem, or terminate the process. This issue is fixed in version 3.15.186.
Weakness: CWE-913
Which versions are affected by CVE-2026-73226?
How do I fix CVE-2026-73226?
No fix has been published for CVE-2026-73226 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-73226 being exploited?
There is no known exploitation of CVE-2026-73226 in the wild and no public exploit code.
Sources
Also known as GHSA-8chw-jwc5-8587.