Vulnerability · Published Jun 9, 2026 · Assigned by sap

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

Critical 9.0

In plain English

A critical-severity security flaw in SAP NetWeaver Application Server Java (Web Container) from SAP_SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)9.0Critical

Exploit odds (30 days)0.5%top 60.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
SAP_SE	SAP NetWeaver Application Server Java (Web Container)	ENGINEAPI 7.50

Weakness: CWE-35 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

In plain English

Official description

Affected products (as reported)

References