CVE-2026-43913

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{"affected": [{"affectedData": [{"product": "vaultwarden", "vendor": "dani-garcia", "versions": [{"status": "affected", "version": "< 1.35.5"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dani-garcia:vaultwarden:*:*:*:*:*:*:*:*", "matchCriteriaId": "84C9FEC4-49EA-4F83-9E8F-9DA52A9A987E", "versionEndExcluding": "1.35.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.35.5, Vaultwarden allows an unconfirmed organization owner to purge the entire organization vault. The organization invite flow uses a two-step process: accepting an invite transitions membership from Invited to Accepted, and a separate confirmation by an existing owner upgrades it to Confirmed. The POST /api/ciphers/purge endpoint uses plain Headers and only checks that the membership type is Owner without verifying that the membership status is Confirmed. An authenticated user who has been invited as an organization owner and has accepted the invite and has not yet been confirmed can call this endpoint to hard-delete all ciphers and attachments in the organization,\ncausing immediate organization-wide data loss. This vulnerability is fixed in 1.35.5."}, {"lang": "es", "value": "Vaultwarden es un servidor compatible con Bitwarden escrito en Rust. Antes de la versi\u00f3n 1.35.5, Vaultwarden permite a un propietario de organizaci\u00f3n no confirmado purgar toda la b\u00f3veda de la organizaci\u00f3n. El flujo de invitaci\u00f3n de la organizaci\u00f3n utiliza un proceso de dos pasos: aceptar una invitaci\u00f3n transiciona la membres\u00eda de Invitado a Aceptado, y una confirmaci\u00f3n separada por un propietario existente la actualiza a Confirmado. El endpoint POST /api/ciphers/purge utiliza encabezados planos y solo verifica que el tipo de membres\u00eda sea Propietario sin verificar que el estado de la membres\u00eda sea Confirmado. Un usuario autenticado que ha sido invitado como propietario de una organizaci\u00f3n, ha aceptado la invitaci\u00f3n y a\u00fan no ha sido confirmado, puede llamar a este endpoint para eliminar permanentemente todos los cifrados y archivos adjuntos de la organizaci\u00f3n, causando una p\u00e9rdida de datos inmediata en toda la organizaci\u00f3n. Esta vulnerabilidad se corrigi\u00f3 en la versi\u00f3n 1.35.5."}], "id": "CVE-2026-43913", "lastModified": "2026-10-26T18:10:00.173", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43913", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-15T18:25:29.842249Z", "version": "2.0.3"}}]}, "published": "2026-05-11T23:20:22.120", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-937x-3j8m-7w7p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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