{"cve":"CVE-2026-44308","nvd":{"published":"2026-05-14T15:16:47.983","modified":"2026-10-26T14:10:00.130","status":"Deferred","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.","cvss_v4":{"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","score":6.3},"cvss_v3":null,"cwes":["CWE-345"],"references":["https://github.com/awspring/spring-cloud-aws/security/advisories/GHSA-r4w4-wv68-qv85"],"products":[],"source":"nvd","synced_at":"2026-10-26T14:27:29.784594657+00:00"},"epss":{"cve":"CVE-2026-44308","score":0.00179,"percentile":0.0738,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-r4w4-wv68-qv85","url":"https://osv.dev/vulnerability/GHSA-r4w4-wv68-qv85","summary":"Spring Cloud AWS missing SNS message signature verification allows spoofing of HTTP/HTTPS endpoint notifications","modified":"2026-05-14T21:05:12.920012Z","packages":[{"ecosystem":"Maven","name":"io.awspring.cloud:spring-cloud-aws-sns","purl":"pkg:maven/io.awspring.cloud/spring-cloud-aws-sns","ranges":[">=4.0.0 <4.0.2"],"fixed":["4.0.2"]},{"ecosystem":"Maven","name":"io.awspring.cloud:spring-cloud-aws-sns","purl":"pkg:maven/io.awspring.cloud/spring-cloud-aws-sns","ranges":[">=3.0.0 <=3.4.2"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}