# CVE-2023-26114

## Summary

- **CVE ID:** CVE-2023-26114
- **Severity:** HIGH
- **CVSS Score:** 8.2 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L/E:P)
- **CWE:** CWE-1385
- **Published:** Mar 23, 2023
- **Last Modified:** Mar 13, 2026

## 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.

## Affected Products

- n/a — code-server (0)

## References

- [CNA](https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148)
- [CNA](https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7)
- [CNA](https://github.com/coder/code-server/releases/tag/v4.10.1)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.07%
- **EPSS Percentile:** 21.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._