CVE-2026-43942: medium-severity vulnerability in electerm
electerm: Full process.env exposed to renderer via window.pre.env in electerm
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.1%
electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. In versions 3.8.15 and prior, the getConstants() IPC handler in src/app/lib/ipc-sync.js serialises the entire process.env object and sends it to the renderer. The data is stored as window.pre.env and is accessible from any JavaScript running in the renderer (e.g., via the DevTools console or a compromised webview context). An attacker who achieves any JavaScript execution within the renderer can trivially exfiltrate these secrets to a remote server, leading to cloud account compromise, supply chain attacks, and lateral movement. At time of publication, there are no publicly available patches.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
electerm · electermRelated CVEs — electerm
In the same product, most dangerous first.
CVE-2026-41500CRITICALelecterm has Command Injection Vulnerability via runMac functionEPSS 1.6%CVE-2026-41501CRITICALelecterm has Command Injection Vulnerability via runLinux functionEPSS 1.3%CVE-2026-49255HIGHelecterm: Command Injection in File System Operations (rmrf, mv, cp)EPSS 0.8%CVE-2026-73226HIGHElecterm WebSocket `upgrade-func` and `fs` handlers allow arbitrary method/function invocation due to missing method-name allowlistEPSS 0.8%CVE-2026-73224HIGHElecterm check folder size function may get attacked by unsafe folder nameEPSS 0.7%CVE-2026-73227HIGHelecterm's RDP clipboard file download may parse unsafe file nameEPSS 0.5%