Deserialization of untrusted data in SAP NetWeaver Enterprise Portal - CVE-2026-27685

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Main Vulnerability Database Vulnerabilities #VU123664

Deserialization of untrusted data in SAP NetWeaver Enterprise Portal - CVE-2026-27685

Published: March 10, 2026


Vulnerability identifier: #VU123664
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-27685
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SAP
Affected software:
SAP NetWeaver Enterprise Portal

Detailed vulnerability description

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

The vulnerability exists due to insecure input validation when processing serialized data in the Administration component. A remote privileged user can pass specially crafted data to the application and execute arbitrary code on the target system.


How to mitigate CVE-2026-27685

Install updates from vendor's website.

Sources