CVE-2026-112949

{"id": "CVE-2026-112949", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-112949", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-23T01:42:18.590758Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.6}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "vitest-dev", "product": "vitest", "versions": [{"status": "affected", "version": ">= 2.1.0-beta.7, < 4.1.12"}, {"status": "affected", "version": ">= 5.0.0, < 5.0.3"}]}, {"vendor": "@vitest", "product": "mocker", "versions": [{"status": "affected", "version": ">= 2.1.0-beta.7, < 4.1.12"}, {"status": "affected", "version": ">= 5.0.0, < 5.0.3"}]}]}], "published": "2026-10-20T16:17:05.660", "references": [{"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": "security-advisories@github.com"}, {"url": "https://github.com/vitest-dev/vitest/security/advisories/GHSA-qxg6-89mg-rqv8", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-116"}, {"lang": "en", "value": "CWE-306"}]}], "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."}], "lastModified": "2026-10-23T02:16:54.907", "sourceIdentifier": "security-advisories@github.com"}