What is CVE-2026-43941?

CVE-2026-43941 is a critical-severity vulnerability in Electerm, classified under Argument Injection. CVSS score: 9.6/10. Published 2026-05-08.

How severe is CVE-2026-43941?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Open Redirect in Electerm

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…

EPSS: 0.000 (6.1th percentile) — read the EPSS interpretation.

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.

Affected products

Electerm — versions <= 3.8.15
Electerm_project Electerm

Weakness classification (CWE)

CWE-88 — Argument Injection
CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

https://github.com/electerm/electerm/security/advisories/GHSA-fwf6-j56g-m97c (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-43941?: CVE-2026-43941 is a critical-severity vulnerability in Electerm, classified under Argument Injection. CVSS score: 9.6/10. Published 2026-05-08.
How severe is CVE-2026-43941?: Critical severity. CVSS v3 base score is 9.6 out of 10.