CVE-2026-43944CRITICAL 9.6EPSS p28.0%

CVE-2026-43944CVE-2026-43944

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.

Scoring

CVSS 3.19.6 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS0.36% probability of exploitation · percentile 28.0% · 2026-06-19T12:03:05Z
Published2026-05-08
Last modified2026-05-13

Underlying weaknesses· 3

CWE-20CWE-94CWE-829

References

  1. https://github.com/electerm/electerm/commit/0599e67069b00e376a2e962649aaad6096e63507
  2. https://github.com/electerm/electerm/commit/8a6a17951e96d715f5a231532bbd8303fe208700
  3. https://github.com/electerm/electerm/commit/a79e06f4a1f0ac6376c3d2411ef4690fa0377742
  4. https://github.com/electerm/electerm/releases/tag/v3.8.15
  5. https://github.com/electerm/electerm/security/advisories/GHSA-mpm8-cx2p-626q

3

TypeTargetConfidenceTier
WeaknessImproper Input Validationcwe-200%live
WeaknessInclusion of Functionality from Untrusted Control Spherecwe-8290%live
WeaknessImproper Control of Generation of Code ('Code Injection')cwe-940%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.