Is CVE-2023-26114 in the CISA KEV catalog?

No. CVE-2023-26114 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-26114?

CVE-2023-26114 has a CVSS v3 base score of 8.2 (HIGH).

What is the EPSS score for CVE-2023-26114?

CVE-2023-26114 has an EPSS score of 0.34% (26th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-26114?

Upgrade code-server to 4.10.1 or later.

CVE & CISA-KEV Catalog

CVE-2023-26114

HIGH

8.2

CVSS v3

NVD

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.

CWE-1385 CWE-346

How to fix

Remediation Available

code-serverNVD

Affected:< 4.10.1Fixed in:4.10.1CVE-2023-26114derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

0.34%probability of exploitation in 30 days

26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Patch2

Release Notes1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-02-25.