CVE-2026-40137 — SAP TAF_APPLAUNCHER within Business Server Pages allows an
CVE-2026-40137 — SAP TAF_APPLAUNCHER within Business Server Pages allows an unauthenticated attacker to craft malicious links that, when clicked by a victim, redirects them to attacker?controlled sites, potentially exposing or altering sensitive information in the victim�s browser. This results in a
What This Means For You
- If your environment is affected by CWE-79, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-40137 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.
SAP TAF_APPLAUNCHER Malicious Link Redirection — CVE-2026-40137
title: SAP TAF_APPLAUNCHER Malicious Link Redirection — CVE-2026-40137
id: scw-2026-05-12-ai-1
status: experimental
level: medium
description: |
Detects attempts to exploit CVE-2026-40137 by identifying requests targeting the SAP TAF_APPLAUNCHER component within Business Server Pages. The presence of 'sap-url=' in the query string is indicative of a crafted link designed to redirect users to attacker-controlled sites, potentially leading to information exposure or alteration.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-40137/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/sap/bc/ui5_ui5/sap/taf_applauncher/'
cs-uri-query|contains:
- 'sap-url='
cs-method:
- 'GET'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40137 | vulnerability | CVE-2026-40137 |
| CWE-79 | weakness | CWE-79 |
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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