Remote Code Execution Vulnerability in Electerm Terminal Client
CVE-2026-73226

8.8HIGH

Key Information:

Vendor

Electerm

Status
Electerm
Vendor
CVE Published:
11 August 2026

What is CVE-2026-73226?

Electerm, an open-source terminal client that supports various protocols, is affected by a vulnerability that allows authenticated WebSocket clients to exploit unintended internal functions. This flaw exists in the upgrade-func and handleFs methods, enabling users to invoke commands, manipulate the filesystem, or disrupt service. It is crucial for users of Electerm versions prior to 3.15.186 to upgrade to mitigate these risks.

Affected Version(s)

electerm < 3.15.186

References

https://github.com/electerm/electerm/security/advisories/...
x_refsource_CONFIRM
https://github.com/electerm/electerm/pull/4447
x_refsource_MISC
https://github.com/electerm/electerm/commit/b1729eb67a4cd...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.