Deserialization of untrusted data in SAP NetWeaver Enterprise Portal - CVE-2026-27685
Published: March 10, 2026
Vulnerability identifier: #VU123664
CSH Severity: Low
CVSS v4: 8.6 [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]
CVE-ID: CVE-2026-27685
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
SAP NetWeaver Enterprise Portal
How to mitigate CVE-2026-27685
Install updates from vendor's website.