CVE-2026-44755: SAP Business Objects Email Spoofing Vulnerability

Technical summary

CVE-2026-44755 is an email spoofing flaw in SAP Business Objects Business Intelligence Platform stemming from insufficient validation of email sending parameters. The vulnerability is classified as CWE-346 (Origin Validation Error), indicating the system does not properly verify the authenticity or legitimacy of email sender information provided by authenticated users. The attack vector is network-based, requires authentication and low complexity execution, and produces a limited integrity impact. The CVSS v3.1 score of 4.3 reflects the localized nature of the threat and the requirement for prior authenticated access.

Business impact

Email spoofing from trusted enterprise systems erodes organizational credibility and can facilitate targeted phishing or social engineering campaigns against customers, partners, or internal staff. Because SAP Business Objects is frequently used for business reporting and analytics, compromised email communications could be particularly effective at bypassing security awareness controls. The reputational and operational risks depend largely on the visibility and trustworthiness of the affected system within your organization.

Affected systems

SAP Business Objects Business Intelligence Platform is affected. Specific version numbers and patch availability should be verified directly from SAP's security advisories, as this information is not provided in the current vulnerability record.

Exploitability

Exploitation requires valid authentication credentials to the Business Objects platform—this is not an unauthenticated attack vector. An authenticated user (insider or compromised account) could exploit the weak email parameter validation with minimal technical complexity. The absence of additional protection mechanisms (such as email gateway filtering or digital signatures) increases practical exploitability. The vulnerability is not currently listed on CISA's Known Exploited Vulnerabilities catalog.

Remediation

Organizations should apply any available patches from SAP for Business Objects Business Intelligence Platform as they become available. Until patches are deployed, consider implementing email gateway controls to detect and block spoofed messages originating from internal systems, enforce DKIM/SPF/DMARC policies, and audit email sending functionality within Business Objects to detect anomalous sender addresses. Review user access to email configuration features and enforce strong authentication and logging.

Patch guidance

Check SAP's official security advisories and the SAP Support Portal for available patches to SAP Business Objects Business Intelligence Platform. Patches should be tested in a non-production environment before deployment. Verify the patch explicitly addresses CVE-2026-44755 and email parameter validation improvements. If patch timelines are unclear, contact SAP Support directly for guidance on your specific version.

Detection guidance

Monitor email logs and gateway records for messages originating from Business Objects systems with suspicious or spoofed sender addresses that do not match configured organizational email domains. Enable audit logging within Business Objects for all email-sending operations, and flag events where non-administrative users access email configuration or sending functions. Look for discrepancies between the authenticated user performing the action and the sender address specified in the email parameters.

Why prioritize this

While the CVSS score of 4.3 indicates medium severity, the real-world impact of email spoofing depends on your organization's reliance on Business Objects communications and the effectiveness of your email filtering controls. Prioritize this vulnerability if your organization uses Business Objects for customer-facing reporting or trusted internal communications, or if your email security posture lacks robust spoofing detection. Organizations with strong email gateway controls and limited external Business Objects communications may safely defer remediation to a standard maintenance window.

Risk score, explained

The CVSS v3.1 score of 4.3 (Medium severity) reflects low confidentiality and availability impact, with integrity being the primary concern. The attack requires network access and valid authentication credentials (PR:L), and no user interaction is required. The localized scope (S:U) and limited integrity impact (I:L) cap the score despite the low attack complexity. This scoring appropriately captures a scenario where an authenticated insider can manipulate email metadata, which is concerning but not catastrophic in isolation.

Frequently asked questions