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{"bugzilla": {"description": "webpack-dev-server: webpack-dev-server: Arbitrary file opening and denial of service via exposed developer endpoints", "id": "2496907", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2496907"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-940", "details": ["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's 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's editor, including files outside the project root, and repeated requests can spawn editor processes and force recompilations that degrade the developer's machine. Patches: upgrade to webpack-dev-server 5.2.6. Workarounds: none.", "A flaw was found in webpack-dev-server. This vulnerability allows a remote attacker to exploit exposed internal developer endpoints, `/webpack-dev-server/open-editor` and `/webpack-dev-server/invalidate`, through cross-origin requests. By visiting a malicious website while the development server is active, an attacker can open arbitrary local files in the developer's editor, including those outside the project directory. Repeated exploitation can lead to a denial of service by spawning numerous editor processes and forcing recompilations, degrading the developer's system performance."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-14620", "package_state": [{"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Fix deferred", "package_name": "cryostat-openshift-console-plugin-npm", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Fix deferred", "package_name": "webpack-dev-server", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:gatekeeper:3", "fix_state": "Fix deferred", "package_name": "gatekeeper/gatekeeper-rhel9", "product_name": "Gatekeeper 3"}, {"cpe": "cpe:/a:redhat:rhmt:1", "fix_state": "Fix deferred", 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{"created": "2026-07-04T04:45:03.255531+00:00", "updated": "2026-07-08T06:45:16.416125+00:00", "vendors": []}