CVE-2026-44308
Medium
Description
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.
SeverityMedium
CVSS6.3
Exploit probability—
ProductIo.awspring.cloud:spring-cloud-aws-sns
PublishedMay 14, 2026
First seenMay 14, 2026
Weakness typeCWE-345CWE-345
How to fix
Update
- io.awspring.cloud:spring-cloud-aws-sns4.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| io.awspring.cloud:spring-cloud-aws-snsMaven | 4.0.0 ≤ v < 4.0.2, 3.0.0 ≤ v ≤ 3.4.2 | 4.0.2 |
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