CVE-2026-76969 SAP_SE CVE debrief

Who should care

Defenders responsible for SAP CAP applications, security teams, and administrators should assess exposure and prioritize patching or mitigation efforts to prevent potential high impact on availability and integrity of the application and partial impact to the confidentiality of business data. They should also verify the presence of this vulnerability in their SAP CAP applications and apply patches or mitigations as available.

Why it matters

CVE-2026-76969 is a critical vulnerability in the @sap/cds-mtxs NPM library used in SAP Cloud Application Programming Model (CAP) multitenant CAP applications with extensibility enabled. Defenders should prioritize verifying the presence of this vulnerability, assessing exposure, and applying patches or mitigations as available to prevent potential high impact on availability and integrity of the application and partial impact to the confidentiality of business data.

• Potential high impact on availability and integrity of the application
• Partial impact to the confidentiality of business data
• Need to verify presence of vulnerability and assess exposure
• Priority on applying patches or mitigations as available

Technical summary

The @sap/cds-mtxs NPM library does not perform sufficient checks on certain functionality used in multitenant CAP applications with extensibility enabled. An unauthenticated attacker could send specially crafted requests to obtain sensitive credentials and abuse them to replace or delete tenant data, potentially impacting the availability, integrity, and confidentiality of the application. This vulnerability is a critical issue that requires immediate attention from defenders responsible for SAP CAP applications, security teams, and administrators.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their SAP CAP applications, assessing exposure, and applying patches or mitigations as available.

Recommended defensive actions

• Verify the presence of this vulnerability in SAP CAP applications
• Assess exposure and potential impact on availability, integrity, and confidentiality
• Apply patches or mitigations as available
• Monitor for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and references to SAP security notes. The @sap/cds-mtxs NPM library used in SAP Cloud Application Programming Model (CAP) multitenant CAP applications with extensibility enabled does not perform sufficient checks, allowing an unauthenticated attacker to send specially crafted requests to obtain sensitive credentials. These credentials can be abused to replace or delete tenant data, resulting in a high impact on availability and

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.