CVE-2026-66766

HighCVSS 7.5/10Last modified Oct 12, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-1333

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
SAP_SE	SAP S/4HANA (Manage Supply Protection)	UIS4HOP1 800; 900

References

Timeline

Published: Aug 25, 2026
Last modified: Oct 12, 2026
NVD status: Awaiting Analysis

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