Vulnerability · Published Aug 25, 2026 · Assigned by sap
CVE-2026-66766Denial of Service (DoS) in SAP S/4HANA (Manage Supply Protection)
High 7.5
In plain English
A high-severity regular-expression denial of service in SAP S/4HANA (Manage Supply Protection) from SAP_SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Official description
SAP S/4HANA (Private Cloud) uses a third-party component that contains a Regular Expression Denial of Service (ReDoS) vulnerability. An unauthenticated attacker could supply specially crafted input that triggers excessive processing within the affected functionality. Successful exploitation could exhaust system resources and make the service unavailable, resulting in a high impact on availability. There is no impact on confidentiality and integrity.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SAP_SE | SAP S/4HANA (Manage Supply Protection) | UIS4HOP1 800900 |
Weakness: CWE-1333 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H