SAP S/4HANA HCM Auth Check Bypass reveals sensitive data
CVE-2026-34264 Published on April 14, 2026
Information Disclosure vulnerability in SAP Human Capital Management for SAP S/4HANA
During authorization checks in SAP Human Capital Management for SAP S/4HANA, the system returns specific messages. Due to this, an authenticated user with low privileges could guess and enumerate the content shown, beyond their authorized scope. This leads to disclosure of sensitive information causing a high impact on confidentiality, while integrity and availability are unaffected.
Vulnerability Analysis
CVE-2026-34264 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 a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Observable Response Discrepancy
The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. This issue frequently occurs during authentication, where a difference in failed-login messages could allow an attacker to determine if the username is valid or not. These exposures can be inadvertent (bug) or intentional (design).
Products Associated with CVE-2026-34264
Want to know whenever a new CVE is published for SAP S4hana? stack.watch will email you.
Affected Versions
SAP_SE SAP Human Capital Management for SAP S/4HANA:- Version S4HCMRXX 100 is affected.
- Version 101 is affected.
- Version 102 is affected.
- Version SAP_HRRXX 600 is affected.
- Version 604 is affected.
- Version 608 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.