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Vulnerability record · CVE-2026-73223 · published 11 August 2026

CVE-2026-73223: Path traversal vulnerability

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.15.120, electerm allows a malicious SFTP server to write attacker-controlled content outside the temporary directory because the server-controlled filename name used by editWithSystemEditor in src/client/components/sftp/file-item.jsx is interpolated into path.resolve without sanitization. This issue is fixed in version 3.15.120.

8.1 CVSS 3.1 High EPSS 0.49% · top 60.2% CWE-22 · Path traversal Deferred
8.1CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
9 Sep 2026Last modified by NVD

Description

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.15.120, electerm allows a malicious SFTP server to write attacker-controlled content outside the temporary directory because the server-controlled filename name used by editWithSystemEditor in src/client/components/sftp/file-item.jsx is interpolated into path.resolve without sanitization. This issue is fixed in version 3.15.120.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

References

LinkTags
https://github.com/electerm/electerm/commit/32ea29365762b3451b1f2fcc0ef78104384db282
https://github.com/electerm/electerm/releases/tag/v3.15.120
https://github.com/electerm/electerm/security/advisories/GHSA-4cgc-4vgf-q55c

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Source: NIST National Vulnerability Database (record CVE-2026-73223), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.