CVE-2026-44308
Spring Cloud AWS simplifies using AWS managed services in a Spring and Spring Boot applications. From 3.0.0 to 4.0.1, pplications using Spring Cloud AWS SNS HTTP/HTTPS endpoint support (@NotificationMessageMapping, @NotificationSubscriptionMapping, @NotificationUnsubscribeConfirmationMapping) did not verify the signature of incoming SNS messages. An unauthenticated attacker who knows the endpoint URL could send crafted HTTP POST requests mimicking SNS Notification or SubscriptionConfirmation messages. This vulnerability is fixed in 4.0.2.
Published:May 14, 2026
Last Modified:May 17, 2026
EPS:May 14, 2026
EPSS Score:0.00067
CVSS Score:6.3
Affected Products
Vendor
Product
Action
Vendor
Awspring
Product
Spring-cloud-aws
Awspring
Spring-cloud-aws
Vendor
Awspring
Product
Spring-cloud-aws-sns
Awspring
Spring-cloud-aws-sns
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
