SAP @sap/cds-mtxs Unauth RCE: Multitenant CAP App Exploit
CVE-2026-76969 Published on September 8, 2026
Credential disclosure in multitenant applications using SAP Cloud Application Programming Model (CAP)
@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. Successful exploitation can result in a high impact on availability and integrity of the application. There may also be partial impact to the confidentiality of business data.
Vulnerability Analysis
CVE-2026-76969 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a high impact on integrity and availability.
Weakness Type
Insufficiently Protected Credentials
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Affected Versions
SAP_SE SAP Cloud Application Programming Model (CAP):- Version @sap/cds-mtxs <=1.18.3 is affected.
- Version <=2.7.6 is affected.
- Version <=3.9.6 is affected.
- Version <=4.0.2 is affected.