SAP Fiori Posting Lib Security Misconfig Enables ACL Bypass
CVE-2025-26660 Published on March 11, 2025
Broken Access Control in SAP Fiori apps (Posting Library)
SAP Fiori applications using the posting library fail to properly configure security settings during the setup process, leaving them at default or inadequately defined. This vulnerability allows an attacker with low privileges to bypass access controls within the application, enabling them to potentially modify data. Confidentiality and Availability are not impacted.
Vulnerability Analysis
CVE-2025-26660 is exploitable 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, with no impact on integrity, and no impact on availability.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2025-26660 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2025-26660
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Affected Versions
SAP_SE SAP Fiori apps (Posting Library):- Version S4CORE 103 is affected.
- Version 104 is affected.
- Version 105 is affected.
- Version 106 is affected.
- Version 107 is affected.
- Version 108 is affected.
Exploit Probability
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.