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{"affected_release": [{"advisory": "RHSA-2026:39058", "cpe": "cpe:/a:redhat:hummingbird:1", "impact": "critical", "package": "prometheus3-13-main-3.13.1-0.1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-07-13T00:00:00Z"}], "bugzilla": {"description": "vitest: Vitest: Arbitrary code execution via crafted browser-runner URL", "id": "2500578", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500578"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-79", "details": ["Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /__vitest_test__/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest server origin and recover VITEST_API_TOKEN for authenticated API calls. This issue is fixed in versions 4.1.6 and 5.0.0-beta.3.", "A flaw was found in Vitest, a testing framework. In Vitest Browser Mode, a remote attacker could craft a specific browser-runner URL that, when visited, would allow the execution of arbitrary JavaScript code within the Vitest server. This vulnerability could also lead to the recovery of the VITEST_API_TOKEN, potentially enabling unauthorized authenticated API calls and further compromise of the system."], "mitigation": {"lang": "en:us", "value": "No mitigation is required for Red Hat shipping products, as the vulnerable @vitest/browser package and Browser Mode feature are not present or enabled in any Red Hat product. Development teams using Vitest as a build/test-time dependency should avoid introducing @vitest/browser or enabling Browser Mode in CI/local environments, and should upgrade to Vitest >=4.1.6 (or >=5.0.0-beta.3 on the 5.x beta line) where Vitest is used, as a matter of general hygiene."}, "name": "CVE-2026-47428", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Not affected", "package_name": "vitest", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "ansible-automation-platform-26/gateway-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "ansible-automation-platform-27/gateway-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Not affected", "package_name": "vitest", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:podman_desktop:1", "fix_state": "Not affected", "package_name": "rh-podman-desktop.git", "product_name": "Red Hat Build of Podman Desktop"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Not affected", "package_name": "vitest", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-agent-installer-ui-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-07-14T19:30:19Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-47428\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47428\nhttps://github.com/vitest-dev/vitest/commit/18af98cee1830604d57f6a02bf28f8067cdffc06\nhttps://github.com/vitest-dev/vitest/commit/3514f9fa135c90e1c35754fc4d27c9cf351faafa\nhttps://github.com/vitest-dev/vitest/pull/10283\nhttps://github.com/vitest-dev/vitest/pull/10285\nhttps://github.com/vitest-dev/vitest/releases/tag/v4.1.6\nhttps://github.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.3\nhttps://github.com/vitest-dev/vitest/security/advisories/GHSA-2h32-95rg-cppp"], "statement": "Red Hat has assessed this flaw against its shipping products. The vulnerability requires @vitest/browser (Vitest's opt-in Browser Mode) to be installed and actively enabled; it does not affect the core `vitest` test runner used without Browser Mode. None of Red Hat's shipping products install or execute @vitest/browser, and none configure or enable Browser Mode. Where Vitest is present, it is used strictly as a build/test-time devDependency (core vitest and its non-browser submodules such as expect, runner, snapshot, spy, and utils), not as a shipped runtime component, and several affected streams already ship patched versions (>=4.1.6) or versions below the vulnerable range. Accordingly, while the CVSS score reflects a genuinely severe flaw in Vitest Browser Mode upstream, Red Hat's shipping products are not reachable via this vulnerability.", "threat_severity": "Important"}