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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2026-18948

Change History

New CVE Received from Red Hat, Inc. 8/10/2026 5:17:21 PM

Action Type Old Value New Value
Added Description 

                  
                
              		

              
                
                  
                  
                    
A flaw was found in Feast. The system improperly deserializes user-defined functions (UDFs) stored in its registry, which are serialized using the 'dill' library. This allows a remote attacker to store a malicious UDF, leading to unauthenticated arbitrary code execution on the feature server in default configurations. An authenticated attacker can also achieve arbitrary code execution on the registry server by bypassing authorization checks during deserialization. This vulnerability can result in cross-tenant data access and lateral movement within the system.

                  
                
              		
            

            

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              CVSS V3.1

              
                
                  
                  
                    

                  
                
              		

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

                  
                
              		
            

            

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              Reference

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
https://access.redhat.com/security/cve/CVE-2026-18948

                  
                
              		
            

            

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              Reference

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
https://bugzilla.redhat.com/show_bug.cgi?id=2511167

                  
                
              		
            

            

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              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
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