SB2026031016 - Deserialization of untrusted data in SAP NetWeaver Enterprise Portal



SB2026031016 - Deserialization of untrusted data in SAP NetWeaver Enterprise Portal

Published: March 10, 2026

Security Bulletin ID SB2026031016
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Deserialization of untrusted data (CVE-ID: CVE-2026-27685)

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.


Remediation

Install update from vendor's website.