{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/webpack-dev-server",
          "product": "webpack-dev-server",
          "vendor": "webpack-dev-server",
          "versions": [
            {
              "lessThan": "5.2.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.2.6",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Pig-Tail"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "bjohansebas"
        },
        {
          "lang": "en",
          "type": "analyst",
          "value": "UlisesGascon"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server\u0027s own page. Any website a developer visits while the dev server is running can trigger these endpoints cross-origin with no interaction beyond the visit. An attacker can open an arbitrary existing local file in the developer\u0027s editor, including files outside the project root, and repeated requests can spawn editor processes and force recompilations that degrade the developer\u0027s machine. Patches: upgrade to webpack-dev-server 5.2.6. Workarounds: none."
            }
          ],
          "value": "webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server\u0027s own page. Any website a developer visits while the dev server is running can trigger these endpoints cross-origin with no interaction beyond the visit. An attacker can open an arbitrary existing local file in the developer\u0027s editor, including files outside the project root, and repeated requests can spawn editor processes and force recompilations that degrade the developer\u0027s machine. Patches: upgrade to webpack-dev-server 5.2.6. Workarounds: none."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-352",
              "description": "CWE-352: Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-749",
              "description": "CWE-749: Exposed Dangerous Method or Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-03T17:00:00.679Z",
        "orgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
        "shortName": "openjs"
      },
      "references": [
        {
          "url": "https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-f5vj-f2hx-8m93"
        },
        {
          "url": "https://cna.openjsf.org/security-advisories.html"
        }
      ],
      "title": "webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints",
      "x_generator": {
        "engine": "cve-kit 1.0.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
    "assignerShortName": "openjs",
    "cveId": "CVE-2026-14620",
    "datePublished": "2026-07-03T17:00:00.679Z",
    "dateReserved": "2026-07-03T16:50:55.559Z",
    "dateUpdated": "2026-07-03T17:00:00.679Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}