What’s Vulnerable › Vulnerabilities

CVE-2026-27677: Missing Authorization check in SAP S/4HANA OData Service (Manage Reference Equipment)

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-14 · updated 2026-10-26
• Weakness: CWE-862

Description

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

Affected products

• SAP_SE SAP S/4HANA OData Service (Manage Reference Equipment): S4CORE 109

References

• https://me.sap.com/notes/3715097
• https://url.sap/sapsecuritypatchday

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