CVE-2023-26114: Coder Code-Server

Critical severity, CVSS 9.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Versions of the package code-server before 4.10.1 are vulnerable to Missing Origin Validation in WebSockets handshakes. Exploiting this vulnerability can allow an adversary in specific scenarios to access data from and connect to the code-server instance.

Affected products

• Coder Code-Server: before 4.10.1 (fixed in 4.10.1)

Published 2023-03-23. Last modified 2026-06-17.