CVE-2026-27679

medium

Published 2026-04-14 · Modified 2026-05-04

CVSS v3

6.5

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

CVSS v2

—

VIR risk

6.5

Description

Due to missing authorization checks in the SAP S/4HANA frontend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Application impact

Vendor	Product	Versions	Fixed
sap	manage_reference_structures	`uis4h_109`
sap	s\/4hana	`-`

References

https://me.sap.com/notes/3716767
https://url.sap/sapsecuritypatchday

CWEs

CWE-862

Verify integrity in audit chain (admin only). AS-IS.