CVE-2026-58249

High

Description

SAP NetWeaver and SAP Web Dispatcher do not properly validate certain fields in specially crafted requests handled by an internal protocol component. An unauthenticated attacker could send a malicious request that triggers a memory-handling error, causing the affected process to crash. Successful exploitation can therefore result in a high impact on the availability of the affected application. There is no impact on the confidentiality or integrity of the application.

SeverityHigh
CVSS7.5
Exploit probability—
ProductSAP NetWeaver and SAP Web Dispatcher (Internet Communication Manager)
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-191CWE-191

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
SAP_SE SAP NetWeaver and SAP Web Dispatcher (Internet Communication Manager)HDB 2.00, KRNL64UC 7.53, WEBDISP 7.53, 7.54, 7.77, 7.93, 9.16, XS_ADVANCED_RUNTIME 1.00, SAP_EXTENDED_APP_SERVICES 1, CONTSERV 7.53, KERNEL 7.53, 9.18, 9.19, 9.20—

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CVE-2026-58249 · SAP NetWeaver and SAP Web Dispatcher (Internet Communication Manager) · Dark Radar