CVE-2026-109804
Received Received - Intake

SAP Message Server Information Disclosure Vulnerability

Publication date: 2026-11-10

Last updated on: 2026-11-10

Assigner: SAP SE

Description
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.

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Meta Information

Published
2026-11-10
Last Modified
2026-11-10
Generated
2026-11-10
AI Q&A
2026-11-10
EPSS Evaluated
N/A
NVD
CVE-2026-109804
EUVD
EUVD-2026-120687

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sap message_server *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-908 The product uses or accesses a resource that has not been initialized.

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Executive Summary

SAP Message Server improperly handles malformed requests, allowing unauthenticated attackers to send crafted input. This can lead to unauthorized retrieval of sensitive information, compromising confidentiality without affecting integrity or availability.

Detection Guidance

Detecting this vulnerability requires monitoring SAP Message Server traffic for malformed requests. Check SAP logs for unusual patterns or errors related to message server processing. Use network monitoring tools like Wireshark to inspect traffic on ports typically used by SAP Message Server (e.g., 3600, 3900, or custom ports). Look for unexpected input sizes or malformed packets.

Impact Analysis

An attacker could exploit this to access sensitive data, potentially leading to data breaches, unauthorized access to system information, or further attacks leveraging exposed data. The impact is primarily on confidentiality.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations requiring protection of sensitive data. Unauthorized data access may result in legal penalties, fines, or reputational damage due to breaches of confidentiality requirements.

Mitigation Strategies

Apply the latest security patches from SAP as referenced in SAP Note 3808552 to address the improper handling of malformed requests in the Message Server.

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