Directory Traversal vulnerability in SAP NetWeaver Application Server Java (Web Container)
CVE-2026-40128

9CRITICAL

Key Information:

Vendor

SAP
Status
SAP Netweaver Application Server Java (web Container)
Vendor
CVE Published:
9 June 2026

What is CVE-2026-40128?

SAP NetWeaver Application Server Java (Web Container) allows an unauthenticated attacker to craft a malicious HTTP logon request that manipulates file inclusion parameters, enabling path traversal and processing of the included file. Processing the included file could allow the attacker to view or modify sensitive information or render any part of the local system unavailable.

Affected Version(s)

SAP NetWeaver Application Server Java (Web Container) ENGINEAPI 7.50

References

https://me.sap.com/notes/3727078
https://url.sap/sapsecuritypatchday

CVSS V3.1

Score:
9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.