SAP BW Service API Missing Auth Check Enables Unauthorized RFC Changes
CVE-2026-27686 Published on March 10, 2026

Missing Authorization check in SAP Business Warehouse (Service API)
Due to a Missing Authorization Check in SAP Business Warehouse (Service API), an authenticated attacker could perform unauthorized actions via an affected RFC function module. Successful exploitation could enable unauthorized configuration and control changes, potentially disrupting request processing and causing denial of service. This results in low impact on integrity and high impact on availability, while confidentiality remains unaffected.

NVD

Vulnerability Analysis

CVE-2026-27686 is exploitable with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and a high impact on availability.

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

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-2026-27686 has been classified to as an AuthZ vulnerability or weakness.


Products Associated with CVE-2026-27686

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SAP Business Warehouse
 

Affected Versions

SAP_SE SAP Business Warehouse (Service API):

Exploit Probability

EPSS
0.04%
Percentile
12.40%

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.