CVE-2026-66764 Missing Authorization check in SAP S/4 HANA (Reprocess Bank Statement Items)
Authenticated users can bypass authorization checks to access unshared rules, leading to privilege escalation and low-impact confidentiality breaches.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66764?
CVE-2026-66764 is a medium-severity missing authorization vulnerability in SAP_SE SAP S/4 HANA (Reprocess Bank Statement Items), published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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 has a low impact on confidentiality, with no impact on integrity and availability of the application
Weakness: CWE-639
Which versions are affected by CVE-2026-66764?
How do I fix CVE-2026-66764?
No fix has been published for CVE-2026-66764 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-66764 being exploited?
There is no known exploitation of CVE-2026-66764 in the wild and no public exploit code.
Sources
Also known as GHSA-f866-c6jw-4pqx.