CVE-2026-43942

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...

CVE-2026-43942

electerm versions 3.8.15 and prior are affected by an IPC vulnerability: the getConstants() handler serialises the entire process.env and exposes it to the renderer as window.pre.env. Any attacker able to execute JavaScript in the renderer could exfiltrate these secrets to a remote server, enabli...

CVE-2026-43942 electerm: Full process.env exposed to renderer via window.pre.env in electerm

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...

CVE-2026-43942 electerm: Full process.env exposed to renderer via window.pre.env in electerm

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...

CVE-2026-43942 electerm: Full process.env exposed to renderer via window.pre.env in electerm

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...

CVE-2026-43941

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. In versions 3.8.15 and prior, Electerm's terminal hyperlink handler passes any URL clicked in the terminal directly to shell.openExternal without any protocol validation. An attacker who controls terminal...

CVE-2026-43941

Electerm CVE-2026-43941 affects version 3.8.15 and earlier. The terminal hyperlink handler forwards any URL clicked in the terminal directly to shell.openExternal without protocol validation. An attacker controlling terminal output (e.g., via a malicious SSH server, compromised remote host, or ma...

CVE-2026-43941 Unvalidated shell.openExternal in electerm allows arbitrary protocol execution via terminal link click

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. In versions 3.8.15 and prior, Electerm's terminal hyperlink handler passes any URL clicked in the terminal directly to shell.openExternal without any protocol validation. An attacker who controls terminal...

CVE-2026-43941 Unvalidated shell.openExternal in electerm allows arbitrary protocol execution via terminal link click

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. In versions 3.8.15 and prior, Electerm's terminal hyperlink handler passes any URL clicked in the terminal directly to shell.openExternal without any protocol validation. An attacker who controls terminal...

CVE-2026-43941 Unvalidated shell.openExternal in electerm allows arbitrary protocol execution via terminal link click

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. In versions 3.8.15 and prior, Electerm's terminal hyperlink handler passes any URL clicked in the terminal directly to shell.openExternal without any protocol validation. An attacker who controls terminal...

CVE-2026-43940

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.16, the runWidget function in src/app/widgets/load-widget.js constructs a file path by directly concatenating user‑supplied widget identifiers without any sanitisation. Because runWidget...

CVE-2026-43940

CVE-2026-43940 affects the electerm client. The runWidget function in src/app/widgets/load-widget.js builds a file path by concatenating user‑supplied widget identifiers without sanitisation, and runWidget is exposed to the renderer via an asynchronous IPC handler with no input validation. This e...

CVE-2026-43940 electerm: Path traversal in electerm runWidget leads to arbitrary code execution

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.16, the runWidget function in src/app/widgets/load-widget.js constructs a file path by directly concatenating user‑supplied widget identifiers without any sanitisation. Because runWidget...

CVE-2026-43940 electerm: Path traversal in electerm runWidget leads to arbitrary code execution

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.16, the runWidget function in src/app/widgets/load-widget.js constructs a file path by directly concatenating user‑supplied widget identifiers without any sanitisation. Because runWidget...

CVE-2026-43940 electerm: Path traversal in electerm runWidget leads to arbitrary code execution

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.16, the runWidget function in src/app/widgets/load-widget.js constructs a file path by directly concatenating user‑supplied widget identifiers without any sanitisation. Because runWidget...

CVE-2026-43943 electerm: RCE via malicious SSH server filename in openFileWithEditor

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.9, a code execution RCE vulnerability exists in electerm's SFTP open with system editor or "Edit with custom editor" feature. When a user opts to edit a file using open with system edito...

CVE-2026-43943

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.9, a code execution RCE vulnerability exists in electerm's SFTP open with system editor or "Edit with custom editor" feature. When a user opts to edit a file using open with system edito...

CVE-2026-43943 electerm: RCE via malicious SSH server filename in openFileWithEditor

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.9, a code execution RCE vulnerability exists in electerm's SFTP open with system editor or "Edit with custom editor" feature. When a user opts to edit a file using open with system edito...

CVE-2026-43943 electerm: RCE via malicious SSH server filename in openFileWithEditor

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.9, a code execution RCE vulnerability exists in electerm's SFTP open with system editor or "Edit with custom editor" feature. When a user opts to edit a file using open with system edito...

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 attacker-controlled remote releaseInfo.name directly into an...