CVE-2026-40128

CRITICAL

SAP NetWeaver AS Java Web Container - Path Traversal via HTTP Logon Request

Title source: manual

Description

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.

References (2)

Core 2

Core References

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

https://url.sap/sapsecuritypatchday

Scores

CVSS v3 9.0

EPSS 0.0044

EPSS Percentile 35.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-35

Status published

Products (1)

SAP_SE/SAP NetWeaver Application Server Java (Web Container) ENGINEAPI 7.50

Published Jun 09, 2026

Tracked Since Jun 09, 2026