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Vulnerability details: VCID-pbjs-m2xn-w7hn
Vulnerability ID VCID-pbjs-m2xn-w7hn
Aliases CVE-2023-26114
GHSA-frjg-g767-7363
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-1385 Missing Origin Validation in WebSockets
CWE-346 Origin Validation Error
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2023-26114
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2023-26114
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-frjg-g767-7363
cvssv3.1 9.3 https://github.com/coder/code-server
generic_textual CRITICAL https://github.com/coder/code-server
cvssv3.1 8.2 https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7
cvssv3.1 9.3 https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7
generic_textual CRITICAL https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7
ssvc Track https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7
cvssv3.1 8.2 https://github.com/coder/code-server/releases/tag/v4.10.1
cvssv3.1 9.3 https://github.com/coder/code-server/releases/tag/v4.10.1
generic_textual CRITICAL https://github.com/coder/code-server/releases/tag/v4.10.1
ssvc Track https://github.com/coder/code-server/releases/tag/v4.10.1
cvssv3.1 9.3 https://nvd.nist.gov/vuln/detail/CVE-2023-26114
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2023-26114
cvssv3.1 8.2 https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148
cvssv3.1 9.3 https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148
generic_textual CRITICAL https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148
ssvc Track https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2023-26114
https://github.com/coder/code-server
https://nvd.nist.gov/vuln/detail/CVE-2023-26114
d477972c68fc8c8e8d610aa7287db87ba90e55c7 https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7
GHSA-frjg-g767-7363 https://github.com/advisories/GHSA-frjg-g767-7363
SNYK-JS-CODESERVER-3368148 https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148
v4.10.1 https://github.com/coder/code-server/releases/tag/v4.10.1
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Found at https://github.com/coder/code-server
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L/E:P Found at https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Found at https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-02-25T19:30:03Z/ Found at https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L/E:P Found at https://github.com/coder/code-server/releases/tag/v4.10.1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Found at https://github.com/coder/code-server/releases/tag/v4.10.1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-02-25T19:30:03Z/ Found at https://github.com/coder/code-server/releases/tag/v4.10.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-26114
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L/E:P Found at https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Found at https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-02-25T19:30:03Z/ Found at https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148
Exploit Prediction Scoring System (EPSS)
Percentile 0.3915
EPSS Score 0.00178
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:22:52.284304+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2023/26xxx/CVE-2023-26114.json 38.6.0