CVE-2026-89103

CRITICALCVSS 10/10EPSS 0.32%

Last modified

CVE-2026-89103 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.32%

25.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SAP_SESAP GatewayKRNL64NUC 7.22; 7.22EXT; KRNL64UC 7.22; 7.53; 8.04; KERNEL 7.22; 7.54; 7.77; 7.93; 9.16; 9.20; 9.21

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-89103?
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.
How severe is CVE-2026-89103?
CVE-2026-89103 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2026-89103?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST