CVE-2026-40129 — SAP Application Server ABAP For SAP NetWeaver And ABAP Platf Vulnerability
CVE-2026-40129 — Due to a Code Injection vulnerability in SAP Application Server ABAP for SAP NetWeaver and ABAP Platform, an authenticated attacker could send specially crafted inputs to the application. If processed by the application, this input could be delivered to users subscribed to the chann
What This Means For You
- If your environment is affected by CWE-94, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-40129 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-40129 - SAP ABAP Code Injection Attempt
title: CVE-2026-40129 - SAP ABAP Code Injection Attempt
id: scw-2026-05-12-ai-1
status: experimental
level: high
description: |
Detects attempts to exploit CVE-2026-40129 by targeting the SAP Application Server ABAP. This rule looks for specific URI paths and headers commonly associated with attempts to inject code via the ABAP Development Tools (ADT) interface, specifically when using PUT requests to manipulate classes.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-40129/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/sap/bc/adt/oo/classes'
cs-uri-query|contains:
- 'X-Sap-Cms-Target-System'
cs-method|exact:
- 'PUT'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40129 | vulnerability | CVE-2026-40129 |
| CWE-94 | weakness | CWE-94 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 12, 2026 at 06:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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