CVE-2026-40128

June 9, 2026, 2:08 a.m.

9.0
Critical

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.

Product(s) Impacted

Vendor Product Versions
Sap
  • Netweaver Application Server Java
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-35
Path Traversal: '.../...//'
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a sap netweaver_application_server_java / / / / / / / /

References

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

Tags

[email protected]
CWE-35
2026-06-09
CVE-2026-40128

CVSS Score

9.0 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: CHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: June 9, 2026, 1:16 a.m.
Last Modified: June 9, 2026, 2:08 a.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.