Auth Bypass: SAP S/4HANA OData Delete/Update RefEquip
CVE-2026-27677 Published on April 14, 2026

Missing Authorization check in SAP S/4HANA OData Service (Manage Reference Equipment)
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.

NVD

Vulnerability Analysis

CVE-2026-27677 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2026-27677 has been classified to as an AuthZ vulnerability or weakness.


Products Associated with CVE-2026-27677

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Affected Versions

SAP_SE SAP S/4HANA OData Service (Manage Reference Equipment) Version S4CORE 109 is affected by CVE-2026-27677

Exploit Probability

EPSS
0.03%
Percentile
7.26%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.