CVE-2026-27682 — SAP NetWeaver Application Server ABAP (Applications Based On Cross-Site Scripting (XSS)
CVE-2026-27682 — Due to a reflected cross-site scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applications based on Business Server Pages), an unauthenticated attacker could craft a URL that exploits an unprotected URL parameter to embed a malicious script. If a victim click
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-2026-27682 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 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-2026-27682 SAP NetWeaver BSP Reflected XSS Attempt
title: CVE-2026-27682 SAP NetWeaver BSP Reflected XSS Attempt
id: scw-2026-05-12-ai-1
status: experimental
level: medium
description: |
Detects attempts to exploit CVE-2026-27682 in SAP NetWeaver Application Server ABAP. This rule looks for common XSS payloads within the URI query string, indicating a potential attempt to inject malicious scripts into Business Server Pages (BSP) applications. The vulnerability allows unauthenticated attackers to craft URLs with embedded scripts that execute in the victim's browser.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-27682/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri-query|contains:
- '<script>'
- 'alert('
- 'onerror='
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-27682 | vulnerability | CVE-2026-27682 |
| 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.
Believe this infringes your rights? Submit a takedown request.
Related coverage
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...
CVE-2026-40136 — SAP Financial Consolidation allows an authenticated
CVE-2026-40136 — SAP Financial Consolidation allows an authenticated attacker to disconnect other users by terminating their sessions temporarily preventing access. However, the application itself cannot...
CVE-2026-40135 — Command Injection
CVE-2026-40135 — An OS Command Injection vulnerability exists in the SAP NetWeaver Application Server for ABAP and ABAP Platform that allows an authenticated attacker with...