Vulnerability · Published Aug 11, 2026 · Assigned by GitHub_M

CVE-2026-73227electerm's RDP clipboard file download may parse unsafe file name

High 8.1

In plain English

A high-severity path traversal in electerm from electerm. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.5%top 57.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 RDP server to write attacker-controlled content outside the selected save directory because the RDP clipboard download path in src/client/components/rdp/file-transfer.js passes the server-controlled CLIPRDR filename fileInfo.name to osResolve without sanitization. This issue is fixed in version 3.15.120.

Affected products (as reported)

Vendor	Product	Versions
electerm	electerm	< 3.15.120

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

References

https://github.com/electerm/electerm/security/advisories/GHSA-gm6q-5vpx-3mwf x_refsource_CONFIRM
https://github.com/electerm/electerm/commit/451bf3000672c00b0c3b148fbf3c148c205ce350 x_refsource_MISC
https://github.com/electerm/electerm/releases/tag/v3.15.120 x_refsource_MISC