MCP Observatory
5m ago Tracked 54,110 Last 5m ago 24h 2,453
github JavaScript analyzed 31ffa21

electerm/electerm

github

📻Free and open-sourced terminal/ssh/sftp/ftp/telnet/serialport/RDP/VNC/Spice client(Linux, Mac, Windows, Android, HarmonyOS, iOS)

maintainer
electerm
license
MIT
first seen
2026-05-22
last seen
2026-09-06
releases · 30d
8
short id
risk 91/100 · heuristic grade
E critical inferred analyzer v33 (current)
  • vulnerabilities attested + 50
  • capability exposure inferred + 35
  • tool safety inferred + 14
  • trust mitigators mixed − 8

attested inferred mixed

The A–E grade is our heuristic synthesis — a "review this" prompt, not a verdict. Each factor is tagged by what backs it: attested (a verifiable record), reported (a third party's claim), or inferred (our own heuristic, e.g. permissions). See methodology.

grade last moved 10h ago · see ecosystem CVEs →

risk trajectory 6 movements
  • E · 89 → E · 91
  • E · 100 → E · 89
  • E · 89 → E · 100
  • D · 77 → E · 89
  • B · 27 → D · 77
  • A · 0 → B · 27
capability exposure grade factor +35
Inferred surface — each links to servers holding it:
vulnerabilities 17 CVEs · grade factor +50
CRITICAL
electerm_npm_install_script_macOS_CommandInjection Vulnerability Report EPSS 2% CVE-2026-41500 affects ["<=3.2.0"]
CRITICAL
electerm_install_script_Linux_CommandInjection Vulnerability Report EPSS 1% CVE-2026-41501 affects ["<=3.2.0"]
CRITICAL
Unvalidated shell.openExternal in electerm allows arbitrary protocol execution via terminal link cl… EPSS 0% CVE-2026-43941 affects ["None"]
CRITICAL
Arbitrary local code execution via deep links/CLI in electerm EPSS 0% CVE-2026-43944 affects [">= 3.0.6, <= 3.8.8"]
CRITICAL
Import unsafe bookmark data could lead to unsafe operations in electerm EPSS 0% CVE-2026-45058 affects ["<= 3.8.8"]
CRITICAL
Local code through electerm's single-instance socket EPSS 0% CVE-2026-45353 affects [">= 3.0.6, <= 3.8.8"]
HIGH
Command Injection in File System Operations (rmrf, mv, cp) in electerm EPSS 1% CVE-2026-49255 affects ["<= 3.11.0"]
HIGH
Path Traversal in Zmodem and Trzsz Download Filename Handling in electerm EPSS 0% CVE-2026-49253 affects ["<= 3.11.0"]
HIGH
Path traversal in electerm runWidget leads to arbitrary code execution EPSS 0% CVE-2026-43940 affects ["<=3.7.9"]
HIGH
Security Vulnerability, RCE via malicious file name open or edit with custom editor in electerm EPSS 0% CVE-2026-43943 affects ["<=3.7.8"]
HIGH
Electerm WebSocket `upgrade-func` and `fs` handlers allow arbitrary method/function invocation due … affects ["<3.15.175"]
HIGH
Path traversal in editWithSystemEditor temp file path via unsanitized SFTP filename affects ["<=3.15.110"]
HIGH
Path traversal in FTP/SFTP recursive folder download via unsanitized server filename affects ["<=3.15.110"]
HIGH
Electerm check folder size function may get attacked by unsafe folder name affects ["<=3.15.110"]
HIGH
electerm's RDP clipboard file download may parse unsafe file name affects ["<=3.15.110"]
MEDIUM
electerm's encrypt method not safe enough EPSS 0% CVE-2026-45787 affects ["<= 3.9.5"]
MEDIUM
Full process.env exposed to renderer via window.pre.env in electerm EPSS 0% CVE-2026-43942 affects ["All"]
tool safety 3 findings · grade factor +14
  1. high dangerous code

    committed secret: private key · credential logged in 1 file(s)

  2. low dangerous code

    env-secret-flows-to-network-js: A process environment value reaches a network call. Review whether it is a credential leaving the process; the ordinary API-wrapper shape (read a ke

  3. low exfiltration combo

    sensitive read and network capabilities split across this server's tools

skills & danger signals github-tarball
prompt-surface shipped agent-instruction files + hidden-content / dangerous-code findings — quoted from the analyzed source

analyzed commit 31ffa21 · analyzer v33 · 22h ago

danger signals2

embed badge readme-ready
live risk-grade badge preview [![MCP Observatory risk grade](https://mcpobservatory.com/servers/github:electerm/electerm/badge.svg)](https://mcpobservatory.com/servers/github:electerm/electerm/security)

Heuristic, inferred signals — false positives (legitimately powerful tools, forks, language ports) are expected. Treat each as "review this", not a verdict. See the ecosystem-wide picture on the security hub, or the fleet security of electerm.