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.

Project Subscriptions

No data.

Advisories
Source ID Title
Github GHSA Github GHSA GHSA-r4w4-wv68-qv85 Spring Cloud AWS missing SNS message signature verification allows spoofing of HTTP/HTTPS endpoint notifications
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 14 May 2026 15:15:00 +0000

Type Values Removed Values Added
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.
Title Spring Cloud AWS: Missing SNS message signature verification allows spoofing of HTTP/HTTPS endpoint notifications
Weaknesses CWE-345
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-14T14:39:18.227Z

Reserved: 2026-05-05T19:00:06.021Z

Link: CVE-2026-44308

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-14T15:16:47.983

Modified: 2026-05-14T15:16:47.983

Link: CVE-2026-44308

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-14T16:30:24Z

Weaknesses