Input validation error in SAP NetWeaver AS ABAP - CVE-2026-109793
Published: November 11, 2026
Vulnerability identifier: #VU164853
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-109793
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied header values. A remote attacker can send specially crafted HTTP request to the server and perform a denial of service (DoS) attack.
Affected software
SAP NetWeaver AS ABAP
How to mitigate CVE-2026-109793
Install updates from vendor's website.