SAP ECC/S4HANA: Missing Auth Bypass Expose Hardcoded Creds (CVE-2026-0503)
CVE-2026-0503 Published on January 13, 2026
Missing Authorization check in in SAP ERP Central Component and SAP S/4HANA (SAP EHS Management)
Due to missing authorization check in the SAP ERP Central Component (SAP ECC) and SAP S/4HANA (SAP EHS Management), an attacker could extract hardcoded clear-text credentials and bypass the password authentication check by manipulating user parameters. Upon successful exploitation, the attacker can access, modify or delete certain change pointer information within EHS objects in the application which might further affect the subsequent systems. This vulnerability leads to a low impact on confidentiality and integrity of the application with no affect on the availability.
Vulnerability Analysis
CVE-2026-0503 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 a small impact on confidentiality and integrity, and no impact on availability.
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-2026-0503 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-0503
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2026-0503 are published in SAP S4hana:
Affected Versions
SAP_SE SAP ERP Central Component and SAP S/4HANA (SAP EHS Management):- Version SAP_APPL 618 is affected.
- Version S4CORE 102 is affected.
- Version 103 is affected.
- Version 104 is affected.
- Version 105 is affected.
- Version 106 is affected.
- Version 107 is affected.
- Version 108 is affected.
- Version 109 is affected.
- Version EA-APPL 605 is affected.
- Version 606 is affected.
- Version 617 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.