CVE-2026-27679

Name: CVE-2026-27679
Creator: NVD / NIST
Published: 2026-04-14T00:16:06.413+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2026-27679 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.18%

7.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Sap	Manage Reference Structures	uis4h_109

References

https://me.sap.com/notes/3716767Permissions Required
https://url.sap/sapsecuritypatchdayPermissions Required

Timeline

Published: Apr 14, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-27679?

How severe is CVE-2026-27679?

CVE-2026-27679 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2026-27679?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-27679?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST