CVE-2026-66766

HIGH CVSS 3.1: 7.5 EPSS 0.29%
Updated Aug 26, 2026
SAP
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-1333 (Inefficient Regular Expression Complexity / ReDoS)
Vendor SAP
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

sap_se:sap s/4hana (manage supply protection)