CVE-2026-112949

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{"affected": [{"affectedData": [{"product": "vitest", "vendor": "vitest-dev", "versions": [{"status": "affected", "version": ">= 2.1.0-beta.7, < 4.1.12"}, {"status": "affected", "version": ">= 5.0.0, < 5.0.3"}]}, {"product": "mocker", "vendor": "@vitest", "versions": [{"status": "affected", "version": ">= 2.1.0-beta.7, < 4.1.12"}, {"status": "affected", "version": ">= 5.0.0, < 5.0.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vitest is a Vite-native testing framework for JavaScript and TypeScript projects. From 2.1.0-beta.7 until 4.1.12 and 5.0.3, an unauthenticated non-browser WebSocket client that can reach a development server using interceptorPlugin can register a manual mock whose attacker-controlled url createManualModuleSource inserts unescaped into generated module source. When the developer browser loads the affected module, attacker-controlled JavaScript executes on the development-server origin. This issue is fixed in versions 4.1.12 and 5.0.3."}], "id": "CVE-2026-112949", "lastModified": "2026-10-23T02:16:54.907", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-112949", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-23T01:42:18.590758Z", "version": "2.0.3"}}]}, "published": "2026-10-20T16:17:05.660", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/vitest-dev/vitest/commit/15cc006aa9f8683dc5f7e895d011fa7dc751ce35"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitest-dev/vitest/commit/b825313243dc55757e8d7c0f9e7a792135e13473"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitest-dev/vitest/releases/tag/v4.1.12"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitest-dev/vitest/releases/tag/v5.0.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/vitest-dev/vitest/security/advisories/GHSA-qxg6-89mg-rqv8"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/vitest-dev/vitest/security/advisories/GHSA-qxg6-89mg-rqv8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-116"}, {"lang": "en", "value": "CWE-306"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "vitest: Vitest: Cross-site scripting via unescaped mock module URL", "id": "2556244", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2556244"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-79", "details": ["A flaw was found in Vitest. An unauthenticated attacker able to connect to the development server can achieve cross-site scripting (XSS) by registering a crafted mock module with an unescaped URL. When a developer loads the affected module in their browser, attacker-controlled JavaScript executes within the context of the development server origin."], "name": "CVE-2026-112949", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Fix deferred", "package_name": "amq-broker-bin.zip", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Fix deferred", "package_name": "amq-broker-maven-repository.zip", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "ansible-automation-platform-27/gateway-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Out of support scope", "package_name": "automation-gateway", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "automation-platform-ui", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Fix deferred", "package_name": "keycloak-operator.redhat-00001.zip", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Fix deferred", "package_name": "keycloak-operator.redhat-00003.zip", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Fix deferred", "package_name": "rhbk-quarkus-dist.zip", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:podman_desktop:1", "fix_state": "Fix deferred", "package_name": "rh-podman-desktop", "product_name": "Red Hat Build of Podman Desktop"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "grafana13.2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "prometheus3.13", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Fix deferred", "package_name": "jboss-eap.1-runtime-maven-repository.zip", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Fix deferred", "package_name": "jboss-eap-runtime-maven-repository.zip", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Fix deferred", "package_name": "jboss-eap.1-runtime-maven-repository.zip", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Fix deferred", "package_name": "jboss-eap-runtime-maven-repository.zip", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Fix deferred", "package_name": "rhtas/rhtas-console-ui-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}], "public_date": "2026-10-20T15:19:03Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-112949\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-112949\nhttps://github.com/vitest-dev/vitest/commit/15cc006aa9f8683dc5f7e895d011fa7dc751ce35\nhttps://github.com/vitest-dev/vitest/commit/b825313243dc55757e8d7c0f9e7a792135e13473\nhttps://github.com/vitest-dev/vitest/releases/tag/v4.1.12\nhttps://github.com/vitest-dev/vitest/releases/tag/v5.0.3\nhttps://github.com/vitest-dev/vitest/security/advisories/GHSA-qxg6-89mg-rqv8"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.1.0-beta.7,4.1.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.0.3)"}}], "enrichment": {"confidence": 87.0, "confidence_source": "matching", "scores": [{"score": 87.0, "source": "matching"}]}, "original": {"product": "mocker", "source": "cna", "vendor": "@vitest"}, "product": "mocker", "vendor": "vitest.dev"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.1.0-beta.7,4.1.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.0.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "vitest", "source": "cna", "vendor": "vitest-dev"}, "product": "vitest", "vendor": "vitest.dev"}], "created": "2026-10-20T17:30:13.834411+00:00", "updated": "2026-10-22T20:00:12.576551+00:00", "vendors": ["vitest.dev", "vitest.dev$PRODUCT$mocker", "vitest.dev$PRODUCT$vitest"], "weaknesses": ["CWE-116", "CWE-306", "CWE-79", "CWE-94"]}