RCE in Electerm
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…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.000 (9.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Electerm — versions < 3.7.9
- Electerm_project Electerm
Weakness classification (CWE)
References
- https://github.com/electerm/electerm/security/advisories/GHSA-q4p8-8j9m-8hxj (x_refsource_CONFIRM, Patch, Vendor Advisory)
- https://github.com/electerm/electerm/commit/24ce7103e264cffe6eb5476c0506a2379e6f8333 (Patch, x_refsource_MISC)
- https://github.com/electerm/electerm/releases/tag/v3.7.9 (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-43943?
- CVE-2026-43943 is a high-severity vulnerability in Electerm, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-05-08.
- How severe is CVE-2026-43943?
- High severity. CVSS v3 base score is 7.8 out of 10.