SB2026031016 - Deserialization of untrusted data in SAP NetWeaver Enterprise Portal
Published: March 10, 2026
Security Bulletin ID
SB2026031016
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Deserialization of untrusted data (CVE-ID: CVE-2026-27685)
CWE-ID: CWE-502 - Deserialization of Untrusted Data
CVSSv4: 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
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.