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CVE-2026-40129: Code Injection vulnerability in SAP Application Server ABAP for SAP NetWeaver and ABAP Platform

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-12 · updated 2026-10-26
• Weakness: CWE-94

Description

Due to a Code Injection vulnerability in SAP Application Server ABAP for SAP NetWeaver and ABAP Platform, an authenticated attacker could send specially crafted inputs to the application. If processed by the application, this input could be delivered to users subscribed to the channel and result in execution. Successful exploitation could enable the attacker to execute arbitrary code for other users, resulting in a low impact on the integrity, with no impact to the confidentiality and availability of the system.

Affected products

• SAP_SE SAP Application Server ABAP for SAP NetWeaver and ABAP Platform: SAP_BASIS 740, SAP_BASIS 750, SAP_BASIS 751, SAP_BASIS 752, SAP_BASIS 753, SAP_BASIS 754 (+5)

References

• https://me.sap.com/notes/3735359
• https://url.sap/sapsecuritypatchday

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