Security advisory

{
  "id": "492980e3c9c5b2688b450dde03855a6ebe5102505642366ca6e45e82747da0c1",
  "url": "https://osv.dev/vulnerability/CVE-2023-26114",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-26114",
    "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.",
    "evidence": "osv:CVE-2023-26114",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-26114",
      "aliases": [
        "CVE-2023-26114",
        "GHSA-frjg-g767-7363"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/coder/code-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d477972c68fc8c8e8d610aa7287db87ba90e55c7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.10.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d477972c68fc8c8e8d610aa7287db87ba90e55c7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d477972c68fc8c8e8d610aa7287db87ba90e55c7"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v4.10.1"
                  },
                  {
                    "cpe": "cpe:2.3:a:coder:code-server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.10.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.10.0-rc.2",
            "v4.10.0",
            "v4.10.0-rc.1",
            "v4.9.0-rc.0",
            "v4.8.1",
            "v4.8.1-rc.1",
            "v4.8.0",
            "v4.7.1",
            "v4.5.0",
            "v4.1.0",
            "v3.12.0",
            "v3.9.1",
            "3.4.1",
            "3.4.0",
            "v3.3.0",
            "3.2.0",
            "3.1.1",
            "3.1.0",
            "3.0.2",
            "3.0.1",
            "3.0.0",
            "2.1698",
            "2.1692-vsc1.39.2",
            "2.1688-vsc1.39.2",
            "2.1665-vsc1.39.2",
            "2.1662-vsc1.39.2",
            "2.1655-vsc1.39.2",
            "2.1650-vsc1.39.2",
            "2.1638-vsc1.39.2",
            "2.1637-vsc1.39.2",
            "2.1523-vsc1.38.1",
            "2.1485-vsc1.38.1",
            "2.1478-vsc1.38.1",
            "2.1472-vsc1.38.1",
            "1.1119-vsc1.33.1",
            "1.1156-vsc1.33.1",
            "1.1140-vsc1.33.1",
            "1.1106-vsc1.33.1",
            "1.1099-vsc1.33.1",
            "1.939-vsc1.33.1",
            "1.903-vsc1.33.1",
            "1.868-vsc1.33.1",
            "1.854-vsc1.33.1",
            "1.792-vsc1.33.1",
            "1.790-vsc1.33.1",
            "1.696-vsc1.33.0",
            "1.691-vsc1.33.0",
            "1.604-vsc1.32.0",
            "1.408-vsc1.32.0",
            "1.32.0-310",
            "1.32.0-282",
            "1.32.0-275",
            "1.32.0-245",
            "1.31.1-100",
            "1.31.0-20",
            "1.31.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26114.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.543757809Z",
      "provider": "osv",
      "references": [
        "https://github.com/coder/code-server/releases/tag/v4.10.1",
        "https://security.snyk.io/vuln/SNYK-JS-CODESERVER-3368148",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26114.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-26114",
        "https://github.com/coder/code-server/commit/d477972c68fc8c8e8d610aa7287db87ba90e55c7"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1385"
        ],
        "cna_assigner": "snyk",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26114.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-26114",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491878,
  "published_at": "2023-03-23T05:00:01.22+00:00"
}