SAP MESSAGE SERVER · CVE-2026-109804 · Vendor
NO FIX YET
SAP Message Server mishandles certain malformed requests, so an unauthenticated attacker can send crafted input. A successful attack lets them retrieve sensitive information, with no effect on integrity or availability.
first public Nov 10, 2026 · 2 sources
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SAP Message Server (SAP NetWeaver/ASCS) installations. The CVE record says an unauthenticated attacker with network access can send malformed requests and read sensitive data (confidentiality only, no integrity or availability impact). Affected releases are not yet published; treat any system whose Message Server port is reachable from untrusted networks as exposed. This is a different CVE from the September 2026 CVE-2026-58240.
Who cares message-server, netweaver, sap, unauthenticated
No fix yet, per the sources.
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SAP Message Server does not properly handle certain malformed requests, which could be leveraged by an unauthenticated attacker to send specially crafted input. Successful exploitation could allow the attacker to retrieve sensitive information, resulting in a high impact on confidentiality. There is no impact on integrity and availability.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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