Input validation error in SAP NetWeaver AS ABAP - CVE-2026-109802
Published: November 11, 2026
Vulnerability identifier: #VU164897
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-109802
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted requests to trigger an error in internal processing and perform a denial of service (DoS) attack.
Affected software
SAP NetWeaver AS ABAP
How to mitigate CVE-2026-109802
Install updates from vendor's website.