9.1
CRITICAL CVSS 3.1
CVE-2026-27685
Insecure Deserialization in SAP NetWeaver Enterprise Portal Administration
Description

SAP NetWeaver Enterprise Portal Administration is vulnerable if a privileged user uploads untrusted or malicious content that, upon deserialization, could result in a high impact on the confidentiality, integrity, and availability of the host system.

INFO

Published Date :

March 10, 2026, 5:38 p.m.

Last Modified :

March 11, 2026, 1:53 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-27685 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL e4686d1a-f260-4930-ac4c-2f5c992778dd
CVSS 3.1 CRITICAL MITRE-CVE
CVSS 3.1 CRITICAL [email protected]
Solution
Restrict privileged users from uploading untrusted content to prevent deserialization vulnerabilities.
  • Restrict upload privileges for sensitive content.
  • Validate all uploaded content before deserialization.
  • Implement strict input validation and sanitization.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-27685.

URL Resource
https://me.sap.com/notes/3714585
https://url.sap/sapsecuritypatchday
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-27685 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-27685 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-27685 vulnerability anywhere in the article.

  • The Hacker News
Dozens of Vendors Patch Security Flaws Across Enterprise Software and Network Devices

SAP has released security updates to address two critical security flaws that could be exploited to achieve arbitrary code execution on affected systems. The vulnerabilities in question listed below - ... Read more

Published Date: Mar 11, 2026 (1 week, 4 days ago)
  • CybersecurityNews
SAP Security Update – Patch for Multiple Vulnerabilities that Enable Remote Code Execution

SAP released 15 new security notes on its March 2026 Patch Day, addressing a range of vulnerabilities across its product portfolio, including two critical-rated flaws that could enable remote code exe ... Read more

Published Date: Mar 10, 2026 (1 week, 5 days ago)
  • Daily CyberSecurity
Critical Alert: SAP’s Latest Security Update Fixes 9.8 CVSS RCE and Deserialization Flaws

Today, 2026, SAP released its monthly security patch update, addressing 15 new security notes across its product ecosystem. This month’s update is particularly significant, featuring two Critical prio ... Read more

Published Date: Mar 10, 2026 (1 week, 5 days ago)

The following table lists the changes that have been made to the CVE-2026-27685 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Mar. 10, 2026

    Action Type Old Value New Value
    Added Description SAP NetWeaver Enterprise Portal Administration is vulnerable if a privileged user uploads untrusted or malicious content that, upon deserialization, could result in a high impact on the confidentiality, integrity, and availability of the host system.
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
    Added CWE CWE-502
    Added Reference https://me.sap.com/notes/3714585
    Added Reference https://url.sap/sapsecuritypatchday
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.