CVE-2023-26114

Name: CVE-2023-26114
Creator: NVD / NIST
Published: 2023-03-23T05:15:16.927+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-26114 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.3/10

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

EPSS Probability

0.34%

25.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Coder	Code-Server	< 4.10.1

References

Timeline

Published: Mar 23, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26114?

How severe is CVE-2023-26114?

CVE-2023-26114 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26114?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26114?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST