RCE in Electerm
CVE-2026-43944
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (49.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.003
Affected products
- Electerm — versions >= 3.0.6, < 3.8.15
- Electerm Project
Weakness classification (CWE)
References
- github.com/electerm/electerm/security/advisories/GHSA-mpm8-cx2p-626q (Patch, Mitigation, Vendor Advisory)
- github.com/electerm/electerm/commit/8a6a17951e96d715f5a231532bbd8303fe208700 (Patch)
- github.com/electerm/electerm/commit/a79e06f4a1f0ac6376c3d2411ef4690fa0377742 (Patch)
- github.com/electerm/electerm/releases/tag/v3.8.15 (Release Notes)
- github.com/electerm/electerm/commit/0599e67069b00e376a2e962649aaad6096e63507
Frequently asked questions
- What is CVE-2026-43944?
- CVE-2026-43944 is a critical-severity vulnerability in Electerm, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-05-08.
- How severe is CVE-2026-43944?
- Critical severity. CVSS v3 base score is 9.6 out of 10.