CVE-2023-26114

criticalpriority · track · 37EPSS 0.003 · 27 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.34% (27th) EPSS

CVSS 9.3 · critical

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.2–9.3

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 5.8

v3.18.2highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L/E:Psecondary · ENISA EU

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Nsecondaryexploitability 2.8 · impact 5.8

v3.18.2highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Lsecondary · report@snyk.ioexploitability 1.6 · impact 6

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Nsecondary · OSV

v3.18.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-346USprimaryCWE-1385USCWE-1385USCWE-346US

affected products (3)

Products and version ranges known to be affected.

n/a code-server0 → 4.10.1enisa_euvdEU
coder code-server< 4.10.1nvdUScpe:2.3:a:coder:code-server:*:*:*:*:*:*:*:*
npm code-server< 4.10.1osvUSpkg:npm/code-server

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-frjg-g767-7363code-server vulnerable to Missing Origin Validation in WebSockets2023-03-23ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2023-03-23modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

scry

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