Deserialization Vulnerability in SAP NetWeaver JMS Service
CVE-2026-23685

4.4MEDIUM

Key Information:

Vendor

SAP
Status
SAP Netweaver (jms Service)
Vendor
CVE Published:
10 February 2026

What is CVE-2026-23685?

A deserialization vulnerability exists in the SAP NetWeaver JMS service, where an authenticated administrator with local access can submit specially crafted content to the server. If this content is processed by the application, it could lead to unintended behavior during internal logic execution, resulting in potential denial of service. While the confidentiality and integrity of the system remains intact, successful exploitation can significantly impact availability.

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Affected Version(s)

SAP NetWeaver (JMS service) J2EE-FRMW 7.50

References

https://me.sap.com/notes/3687285
https://url.sap/sapsecuritypatchday

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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