What is CVE-2026-66764?

CVE-2026-66764 is a medium-severity vulnerability in Sap_se Sap S/4 Hana (Reprocess Bank Statement Items), classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-11.

How severe is CVE-2026-66764?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Sap_se Sap S/4 Hana (Reprocess Bank Statement Items)

CVE-2026-66764

Reprocess Bank Statement Items in SAP S/4HANA does not perform the necessary authorization checks for authenticated users, allowing them to use rules that have not been shared with them, resulting in privilege escalation.This vulnerability…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Sap_se Sap S/4 Hana (Reprocess Bank Statement Items) — versions S4CORE 104, 105, 106

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

Frequently asked questions

What is CVE-2026-66764?: CVE-2026-66764 is a medium-severity vulnerability in Sap_se Sap S/4 Hana (Reprocess Bank Statement Items), classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-11.
How severe is CVE-2026-66764?: Medium severity. CVSS v3 base score is 4.3 out of 10.