CVE-2026-0503VulnerabilityPublished 13 Jan 2026

CVE-2026-0503: SAP ERP Central Component and SAP S/4HANA (SAP EHS Management) · Missing Authorization

Affects SAP ERP Central Component and SAP S/4HANA (SAP EHS Management)Source CVE Database V5

Not known to be exploited · CVSS 6.4 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score

6.4Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Changed: An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 13 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
SAP_SESAP ERP Central Component and SAP S/4HANA (SAP EHS Management)	Affected =103 =104 =105 =106 =107 =108 =109 =606 =617	Fixed in–

AI-suggested

1. Apply SAP security patches promptly once released for the affected SAP_APPL and S4CORE versions to address the missing authorization checks. 2. Conduct a thorough review and tightening of user privileges, ensuring the principle of least privilege is enforced, especially for users with access to EHS Management modules. 3. Audit and monitor access to EHS objects and change pointer data for unusual modifications or deletions, using SAP audit logs and SIEM integration. 4. Investigate and eliminate any hardcoded credentials within SAP custom code or configurations; replace them with secure credential management solutions. 5. Implement network segmentation and strong access controls around SAP systems to limit exposure to attackers with limited privileges. 6. Educate SAP administrators and security teams about this vulnerability and encourage vigilance for suspicious activities related to EHS data. 7. Regularly review SAP security notes and advisories for updates and additional mitigation guidance. 8. Consider deploying SAP Enterprise Threat Detection tools to identify exploitation attempts in real time. 9. Validate and test backup and recovery procedures for EHS data to ensure rapid restoration in case of data tampering.

Description

CVE-2026-0503 is a medium-severity vulnerability in SAP ERP Central Component and SAP S/4HANA (SAP EHS Management) caused by missing authorization checks. It allows an attacker with some privileges to extract hardcoded clear-text credentials and bypass password authentication by manipulating user parameters. Successful exploitation enables unauthorized access to modify or delete change pointer information within EHS objects, potentially impacting downstream systems. The vulnerability affects multiple SAP_APPL and S4CORE versions and does not impact system availability. No known exploits are currently reported in the wild. The CVSS score is 6.4, reflecting a network attack vector with low complexity but requiring privileges and no user interaction. European organizations using affected SAP versions, especially in manufacturing, chemicals, and pharmaceuticals, should prioritize patching and access control reviews. Countries with high SAP adoption and critical industrial sectors like Germany, France, and the Netherlands are most at risk. Mitigations include applying SAP patches when available, restricting user privileges, monitoring EHS object changes, and auditing credential storage and access patterns.

Impact

For European organizations, this vulnerability poses a risk primarily to the confidentiality and integrity of sensitive EHS data managed within SAP systems. Unauthorized modification or deletion of change pointer information could lead to incorrect or missing data synchronization with downstream systems, potentially causing compliance violations, reporting errors, or operational disruptions in safety and environmental management processes. While availability is not impacted, the integrity compromise could affect decision-making and regulatory adherence, which are critical in sectors like manufacturing, chemicals, pharmaceuticals, and energy. Organizations relying heavily on SAP ECC and S/4HANA for EHS management must consider the risk of insider threats or attackers who have gained limited privileges exploiting this flaw to escalate access or manipulate data. The presence of hardcoded clear-text credentials further exacerbates the risk by facilitating unauthorized access. The medium severity score reflects that exploitation requires some privileges, limiting exposure to external attackers but increasing risk from compromised internal accounts or lateral movement within networks.

Summary

CVE-2026-0503 is a vulnerability identified in SAP ERP Central Component (SAP ECC) and SAP S/4HANA specifically within the SAP Environment, Health, and Safety (EHS) Management module. The root cause is a missing authorization check (CWE-862) that allows an attacker with some level of privileges to bypass password authentication by manipulating user parameters. This flaw also enables extraction of hardcoded clear-text credentials embedded in the application, which can be leveraged to escalate access. Upon successful exploitation, the attacker can access, modify, or delete change pointer information related to EHS objects. Change pointers are used to track changes for integration with other systems, so tampering with this data can affect downstream processes and data integrity. The vulnerability affects multiple versions of SAP_APPL (618, 605, 606, 617) and S4CORE (102 through 109). The CVSS v3.1 base score is 6.4, indicating medium severity with network attack vector, low attack complexity, requiring privileges but no user interaction, and a scope change. Confidentiality and integrity impacts are low, and availability is unaffected. No public exploits are known at this time. The vulnerability was published on January 13, 2026, and no official patches are linked yet, suggesting organizations should monitor SAP advisories closely. Given SAP's critical role in enterprise resource planning and EHS management, exploitation could disrupt compliance and operational workflows.

CWE-862Missing Authorization (opens in a new tab)
Class weaknessLikelihood of exploit: HighCWE Top 25 (2025): #4OWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Architecture and Design
Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) to enforce the roles at the appropriate boundaries.
Architecture and Design
Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records.
Architecture and Design · Libraries or Frameworks
Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
OWASP Cheat Sheets
Authorization (opens in a new tab)
OWASP ASVS 4.0.3
V8.3.8 (opens in a new tab)
V13.4.2 (opens in a new tab)
V7.2.2 (opens in a new tab)
Attack patterns
Exploitation of Thunderbolt Protection Flaws (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 21 Jan 2026, 03:01 UTC

WeaknessesCWE-862

Technical details

References

Community reviews

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