CVE-2023-26114

critical

Description

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.

References

https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148

https://github.com/coder/code-server/releases/tag/v4.10.1

https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7

Details

Source: Mitre, NVD

Published: 2023-03-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.3

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

Severity: Critical

EPSS

EPSS: 0.0015