EUVD-2026-72586
GHSA-955m-rr6m-2f9v
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Unauthenticated remote request against extensibility-enabled tenants (AV:N/AC:L/PR:N/UI:N); credential leak gives partial confidentiality (C:L) while data replace/delete yields I:H/A:H.
Primary rating from Vendor (sap).
CVSS VectorVendor: sap
Lifecycle Timeline
2DescriptionCVE.org
@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.
Articles & Coverage 2
AnalysisAI
Credential exposure in the @sap/cds-mtxs NPM library - the multitenancy and extensibility (MTXS) component of SAP's Cloud Application Programming Model (CAP) - lets an unauthenticated remote attacker send specially crafted requests to multitenant CAP applications that have extensibility enabled, harvest sensitive tenant credentials, and reuse them to replace or delete tenant data. The flaw is rooted in insufficient authorization/protection checks (CWE-522), yielding high integrity and availability impact with partial confidentiality exposure of business data. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target to be a multitenant CAP application built on @sap/cds-mtxs with the extensibility feature enabled - the description explicitly scopes the flaw to 'multitenant CAP applications with extensibility enabled,' so a single-tenant deployment or one without extensibility is not affected. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high priority for anyone running multitenant CAP apps with extensibility enabled. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the fix described in SAP Note 3798315 (https://me.sap.com/notes/3798315) and cross-referenced on SAP Security Patch Day (https://url.sap/sapsecuritypatchday) - upgrade @sap/cds-mtxs to the patched version SAP specifies (exact fixed version not included in the provided data; retrieve it from the SAP Note, which requires an S-user login). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all production and development systems running @sap/cds-mtxs and immediately consult SAP Note 3798315 for interim mitigation guidance. …
Sign in for detailed remediation steps and compensating controls.
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Same weakness CWE-522 – Insufficiently Protected Credentials
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External POC / Exploit Code
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