What is CVE-2026-40128?

CVE-2026-40128 is a critical-severity vulnerability, classified under Path Traversal: '.../...//'. CVSS score: 9.0/10. Published 2026-06-09.

How severe is CVE-2026-40128?

Critical severity. CVSS v3 base score is 9.0 out of 10.

CVE-2026-40128

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. Proce…

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-35 — Path Traversal: '.../...//'

References

cna@sap.com
cna@sap.com

Frequently asked questions

What is CVE-2026-40128?: CVE-2026-40128 is a critical-severity vulnerability, classified under Path Traversal: '.../...//'. CVSS score: 9.0/10. Published 2026-06-09.
How severe is CVE-2026-40128?: Critical severity. CVSS v3 base score is 9.0 out of 10.