CVE-2026-66766
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.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.5
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS probability
- 0.29%
- CWE
- CWE-1333
- Published
- 2026-08-25
- Last modified
- 2026-08-25
Affected products
- SAP_SE SAP S/4HANA (Manage Supply Protection)
- SAP_SE SAP S/4HANA (Manage Supply Protection)
Weakness type
Related vulnerabilities
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- CVE-2024-58379 — nodemailer before 6.9.9 ReDoS via attachDataUrls parameter
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