CVE-2026-0490

7.5 HIGH

📋 TL;DR

CVE-2026-0490 is an authentication bypass vulnerability in SAP BusinessObjects BI Platform that allows unauthenticated attackers to send crafted network requests to a trusted endpoint, disrupting authentication mechanisms. This prevents legitimate users from accessing the platform, causing denial of service. Organizations running vulnerable SAP BusinessObjects BI Platform versions are affected.

💻 Affected Systems

Products:
  • SAP BusinessObjects BI Platform
Versions: Specific versions not provided in CVE description; check SAP Note 3654236 for exact affected versions
Operating Systems: All platforms running SAP BusinessObjects BI Platform
Default Config Vulnerable: ⚠️ Yes
Notes: Affects systems with the vulnerable trusted endpoint exposed. Configuration details may vary by deployment.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete unavailability of SAP BusinessObjects BI Platform for all legitimate users, potentially disrupting critical business intelligence operations and reporting functions.

🟠

Likely Case

Temporary service disruption affecting multiple users until the attack stops or the system is restarted, with potential business process interruptions.

🟢

If Mitigated

Minimal impact with proper network segmentation, authentication hardening, and monitoring in place to detect and block attack attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability description indicates unauthenticated exploitation is possible with crafted network requests, suggesting relatively straightforward exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check SAP Note 3654236 for specific patched versions

Vendor Advisory: https://me.sap.com/notes/3654236

Restart Required: Yes

Instructions:

1. Review SAP Note 3654236 for specific patch details. 2. Download and apply the appropriate security patch from SAP. 3. Restart the SAP BusinessObjects BI Platform services. 4. Verify the patch was successfully applied.

🔧 Temporary Workarounds

Network Access Control

all

Restrict network access to the vulnerable trusted endpoint using firewall rules or network segmentation

Authentication Hardening

all

Implement additional authentication layers or rate limiting on the affected endpoint

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate the SAP BusinessObjects BI Platform from untrusted networks
  • Deploy web application firewall (WAF) rules to detect and block crafted requests targeting the vulnerable endpoint

🔍 How to Verify

Check if Vulnerable:

Check SAP BusinessObjects BI Platform version against affected versions listed in SAP Note 3654236

Check Version:

Check SAP BusinessObjects BI Platform administration console or consult SAP documentation for version checking commands specific to your deployment

Verify Fix Applied:

Verify the applied patch version matches or exceeds the patched version specified in SAP Note 3654236

📡 Detection & Monitoring

Log Indicators:

  • Unusual authentication failures
  • Multiple failed login attempts from single IP
  • Requests to the trusted endpoint with malformed parameters

Network Indicators:

  • Unusual traffic patterns to the trusted endpoint
  • Requests with crafted parameters targeting authentication mechanisms

SIEM Query:

source="sap_businessobjects" AND (event_type="authentication_failure" OR endpoint="trusted_endpoint") AND request_parameters CONTAINS suspicious_pattern

🔗 References

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