CVE-2026-34258 — SAPUI5 (Search UI) allows an unauthenticated attacker to
CVE-2026-34258 — SAPUI5 (Search UI) allows an unauthenticated attacker to manipulate specific URL parameters on the Search UI to include malicious content. Successful exploitation may mislead victim users into clicking and accessing attacker-controlled pages rendered by the application. This vulnera
What This Means For You
- If your environment is affected by CWE-451, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-34258 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-2026-34258 SAPUI5 Search UI Parameter Manipulation
title: CVE-2026-34258 SAPUI5 Search UI Parameter Manipulation
id: scw-2026-05-12-ai-1
status: experimental
level: medium
description: |
Detects attempts to exploit CVE-2026-34258 by identifying specific URL parameters used to manipulate the SAPUI5 Search UI. This rule looks for the presence of 'sap-ui-core.js' and a specific path related to the Search UI, combined with the 'sap-app-id' parameter, which is a key indicator of this vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-34258/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri-query|contains:
- 'sap-ui-core.js'
cs-uri|contains:
- '/sap/public/bc/ui5_ui5/ui/sap/apf/ui/resources/sap/apf/ui/app.js'
cs-uri-query|contains:
- 'sap-app-id'
selection_base:
cs-uri-query|contains:
- 'sap-app-id'
selection_indicators:
cs-uri-query|contains:
- 'sap-app-id=sap.apf.ui.app.apf.app'
condition: selection_base AND selection_indicators
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-34258 | vulnerability | CVE-2026-34258 |
| CWE-451 | weakness | CWE-451 |
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...