CVE-2026-66766
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Aug 25, 2026
Vendor
unknown
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.