CVE-2026-27679 json
Missing Authorization check in SAP S/4HANA Frontend OData Service (Manage Reference Structures)
published 2026-04-14 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-22152
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 7%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
Affected products
- SAP_SE SAP S/4HANA Frontend OData Service (Manage Reference Structures)
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
me.sap.com
/notes/3716767
permissions-required
-
url.sap
/sapsecuritypatchday
permissions-required
Sources
- CVE List CVE-2026-27679
- NVD CVE-2026-27679
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