{"cve":"CVE-2023-26114","nvd":{"published":"2023-03-23T05:15:16.927","modified":"2026-06-17T05:42:42.470","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","score":9.3},"cwes":["CWE-346","CWE-1385"],"references":["https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7","https://github.com/coder/code-server/releases/tag/v4.10.1","https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148","https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7","https://github.com/coder/code-server/releases/tag/v4.10.1"],"products":["coder:code-server"],"source":"nvd","synced_at":"2026-10-19T21:37:48.383111019+00:00"},"epss":{"cve":"CVE-2023-26114","score":0.0034,"percentile":0.27438,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-frjg-g767-7363","url":"https://osv.dev/vulnerability/GHSA-frjg-g767-7363","summary":"code-server vulnerable to Missing Origin Validation in WebSockets","modified":"2026-09-10T03:50:08.015124605Z","packages":[{"ecosystem":"npm","name":"code-server","purl":"pkg:npm/code-server","ranges":["<4.10.1"],"fixed":["4.10.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}