medium6.4
CVE-2026-66760
SAP Approuter does not correctly validate client certificates in certain callback flows.
Impact
SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute. Successful exploitation could allow impersonation of a trusted internal component, resulting in a high impact on integrity and a low impact on confidentiality and availability.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Sap | Approuter | before 23.0.0 |