{"id":"CVE-2026-27690","sourceIdentifier":"cna@sap.com","published":"2026-07-14T01:16:17.193","lastModified":"2026-10-24T22:10:00.210","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to a high impact on confidentiality and availability."},{"lang":"es","value":"Debido a una vulnerabilidad de HTTP Request Smuggling en SAP Approuter, un atacante no autenticado podría enviar una solicitud HTTP especialmente diseñada que conduce a la desincronización de solicitud-respuesta. Esto podría resultar en la exposición de respuestas de usuario y provocar la indisponibilidad del sistema. Esto conlleva un alto impacto en la confidencialidad y disponibilidad."}],"affected":[{"source":"cna@sap.com","affectedData":[{"vendor":"SAP_SE","product":"SAP Approuter","defaultStatus":"unaffected","versions":[{"version":"SAP Approuter node.js package < 20.10.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cna@sap.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-14T12:45:38.599061Z","id":"CVE-2026-27690","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cna@sap.com","type":"Secondary","description":[{"lang":"en","value":"CWE-444"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:sap:approuter:*:*:*:*:*:node.js:*:*","versionEndExcluding":"20.10.0","matchCriteriaId":"76B5CA85-6A49-4263-8D21-770DF702C090"}]}]}],"references":[{"url":"https://me.sap.com/notes/3720138","source":"cna@sap.com","tags":["Permissions Required"]},{"url":"https://url.sap/sapsecuritypatchday","source":"cna@sap.com","tags":["Vendor Advisory"]}]}