Buffer overflow in SAP NetWeaver AS ABAP - CVE-2026-27671

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Main Vulnerability Database Vulnerabilities #VU133998

Buffer overflow in SAP NetWeaver AS ABAP - CVE-2026-27671

Published: June 9, 2026


Vulnerability identifier: #VU133998
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2026-27671
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SAP
Affected software:
SAP NetWeaver AS ABAP

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can send specially crafted traffic to the server, trigger memory corruption and execute arbitrary code on the target system.


How to mitigate CVE-2026-27671

Install updates from vendor's website.

Sources