RCE in SAP Se S/4hana (Manage Substitution/validation Rules)
CVE-2026-89107
SAP S/4HANA (Manage Substitution/Validation Rules) does not sufficiently validate input processed by rule definition functionality that utilizes a domain-specific scripting language. An authenticated attacker with specific business privileges could submit specially crafted input, which is interpreted as executable ABAP code by the rule processing logic. Successful exploitation could allow the attacker to execute ABAP arbitrary code into the system, resulting in full compromise of the affected system and high impact on confidentiality, integrity, and availability of the system.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- SAP Se S/4hana (Manage Substitution/validation Rules) — versions 106, 107, 108
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-89107?
- CVE-2026-89107 is a critical-severity vulnerability in SAP Se S/4hana (Manage Substitution/validation Rules), classified under Code Injection. CVSS score: 9.9/10. Published 2026-10-13.
- How severe is CVE-2026-89107?
- Critical severity. CVSS v3 base score is 9.9 out of 10.