CVE-2026-47158

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{"affected": [{"affectedData": [{"product": "vaultwarden", "vendor": "dani-garcia", "versions": [{"status": "affected", "version": "< 1.36.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO authorization flow did not bind the OAuth state parameter accepted by /connect/authorize to the initiating browser session, allowed attacker-controlled PKCE parameters, and left SsoAuth records intact after failed token exchange, allowing an unauthenticated attacker to induce IdP authentication and redeem tokens for a fully authenticated session. This issue is fixed in version 1.36.0."}, {"lang": "es", "value": "Vaultwarden es un servidor compatible con Bitwarden escrito en Rust. Antes de la 1.36.0, el flujo de autorizaci\u00f3n SSO de Vaultwarden no vinculaba el par\u00e1metro de estado OAuth aceptado por /connect/authorize a la sesi\u00f3n del navegador iniciadora, permit\u00eda par\u00e1metros PKCE controlados por el atacante y dejaba los registros SsoAuth intactos despu\u00e9s de un intercambio de tokens fallido, permitiendo a un atacante no autenticado inducir la autenticaci\u00f3n del IdP y canjear tokens para una sesi\u00f3n completamente autenticada. Este problema se solucion\u00f3 en la versi\u00f3n 1.36.0."}], "id": "CVE-2026-47158", "lastModified": "2026-10-24T21:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.5, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47158", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-15T18:04:17.054552Z", "version": "2.0.3"}}]}, "published": "2026-07-15T16:16:46.200", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/dani-garcia/vaultwarden/commit/d297e274a35dccd0f5d935e9d5934e0f7e9c0a87"}, {"source": "security-advisories@github.com", "url": "https://github.com/dani-garcia/vaultwarden/pull/7163"}, {"source": "security-advisories@github.com", "url": "https://github.com/dani-garcia/vaultwarden/releases/tag/1.36.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-pfp2-jhgq-6hg5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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