CVE-2026-89103

CVE Enrichment

CVSS: 10.0 CRITICAL
CISA KEV: Not listed

Description

SAP Gateway activates the default Access Control List with high privileges allowing categorization of external attacker as internal application server. As a result an unauthenticated attacker with network access to the SAP Gateway could exploit this weakness to potentially perform unauthorized actions within the application environment, resulting in a high impact on the confidentiality, integrity, and availability of the affected system.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 10-Nov-2026 08:17
Last Modified: 10-Nov-2026 08:17
CWE: CWE-863

CVSS Vector


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

CNA Products / Version Status

SAP_SE · SAP Gateway Source: CNA · [email protected]
Default status: unaffected

KRNL64NUC 7.22 — affected
7.22EXT — affected
KRNL64UC 7.22 — affected
7.53 — affected
8.04 — affected
KERNEL 7.22 — affected
7.54 — affected
7.77 — affected
7.93 — affected
9.16 — affected
9.20 — affected
9.21 — affected

References

Last enrichment sync: 10-Nov-2026 19:16
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

control lists to decide which outside programs may connect to it and which programs it may start. In CVE-2026-89103, the gateway enables its default list with high privileges, allowing an external attacker to be SAP Fixes Four Maximum-Severity Flaws, Including Two That Could Enable Remote Code Execution
The other two maximum severity vulnerabilities stem from a broken access control weakness (CVE-2026-89103) in SAP Gateway and a memory corruption issue (CVE-2026-89126) in SAP Web Dispatcher. SAP Fixes Four Maximum-Severity Flaws in November Security Update

CVE (7)

MITRE ATT&CK (1)

Vendors (1)

Products (9)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.