Memory Corruption vulnerability in SAP Web Dispatcher

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89126
StatePUBLISHED
Assignersap
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-10 01:17:22 UTC
Updated2026-11-10 01:17:22 UTC
DescriptionSAP Web Dispatcher does not sufficiently validate certain network input processed by an internal component. An unauthenticated attacker could send specially crafted network traffic to trigger a memory corruption condition in the affected functionality. Successful exploitation could allow the attacker to execute arbitrary code and fully compromise the system, resulting in a high impact on confidentiality, integrity and availability of the system.

Risk And Classification

Primary CVSS: v3.1 10 CRITICAL from [email protected]

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

Problem Types: CWE-122 | CWE-122 CWE-122: Heap-based Buffer Overflow

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SAP SE SAP Web Dispatcher affected HDB 2.00 Not specified
CNA SAP SE SAP Web Dispatcher affected KRNL64UC 7.53 Not specified
CNA SAP SE SAP Web Dispatcher affected WEBDISP 7.53 Not specified
CNA SAP SE SAP Web Dispatcher affected 7.54 Not specified
CNA SAP SE SAP Web Dispatcher affected 7.77 Not specified
CNA SAP SE SAP Web Dispatcher affected 7.93 Not specified
CNA SAP SE SAP Web Dispatcher affected 9.16 Not specified
CNA SAP SE SAP Web Dispatcher affected XS_ADVANCED_RUNTIME 1.00 Not specified
CNA SAP SE SAP Web Dispatcher affected SAP_EXTENDED_APP_SERVICES 1 Not specified
CNA SAP SE SAP Web Dispatcher affected KERNEL 7.53 Not specified
CNA SAP SE SAP Web Dispatcher affected 9.18 Not specified
CNA SAP SE SAP Web Dispatcher affected 9.20 Not specified

References

ReferenceSourceLinkTags
url.sap/sapsecuritypatchday [email protected] url.sap
me.sap.com/notes/3778556 [email protected] me.sap.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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