CVE-2026-53961 Discourse: Forged AWS SNS bounce notifications can disable a targeted user's email (missing TopicArn binding)

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the AWS SES bounce webhook at POST /webhooks/aws verified that SNS messages were signed by Amazon but did not bind them to trusted TopicArn values, allowing any AWS account holder to publish...

CVE-2026-56140

A flaw was found in the Apache Camel AWS SNS component camel-aws2-sns. An improper input validation vulnerability exists in the Sns2HeaderFilterStrategy due to a missing inbound filter rule. However, this component is producer-only, meaning it does not process external messages in a way that woul...

EUVD-2026-41852

Improper Input Validation vulnerability in Apache Camel AWS SNS component. The camel-aws2-sns component filters Camel headers through a component-specific HeaderFilterStrategy, Sns2HeaderFilterStrategy. Like the sibling Sqs2HeaderFilterStrategy, it originally configured only an outbound filter...

CVE-2026-56140

CVE-2026-56140 describes an improper input validation in the Apache Camel AWS SNS component (camel-aws2-sns) due to a missing inbound filter in Sns2HeaderFilterStrategy. The Red Hat/NVD entries confirm the issue is a defense-in-depth hardening change with no known exploit path because camel-aws2-...

CVE-2026-56140

Improper Input Validation vulnerability in Apache Camel AWS SNS component. The camel-aws2-sns component filters Camel headers through a component-specific HeaderFilterStrategy, Sns2HeaderFilterStrategy. Like the sibling Sqs2HeaderFilterStrategy, it originally configured only an outbound filter...

GHSA-PP89-732F-3G8Q OpenAM has Unsafe Java Deserialization via SNS

Summary Description A Deserialization of Untrusted Data CWE-502 issue exists in OpenAM's Push Notification SNS callback resource. The REST route that handles SNS push messages is mounted with anonymous access and, when a supplied message identifier has expired from the in-memory dispatcher, falls...

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 n...

CVE-2026-47074

Improper Certificate Validation vulnerability in ex-aws exawssns ExAws.SNS, ExAws.SNS.PublicKeyCache modules allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/exaws/sns.ex, lib/exaws/sns/publickeycache.ex and program routines...

CVE-2026-47074 ex_aws_sns SigningCertURL not validated in verify_message/1

Improper Certificate Validation vulnerability in ex-aws exawssns ExAws.SNS, ExAws.SNS.PublicKeyCache modules allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/exaws/sns.ex, lib/exaws/sns/publickeycache.ex and program routines...

EEF-CVE-2026-47074 ex_aws_sns SigningCertURL not validated in verify_message/1

Summary Improper Certificate Validation vulnerability in ex-aws ex\aws\sns ExAws.SNS, ExAws.SNS.PublicKeyCache modules allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/ex\aws/sns.ex, lib/ex\aws/sns/public\key\cache.ex and program routines...

EUVD-2026-30302

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 n...

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 n...

CVE-2026-44308 Spring Cloud AWS: Missing SNS message signature verification allows spoofing of HTTP/HTTPS endpoint notifications

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 n...

CVE-2026-44308 Spring Cloud AWS: Missing SNS message signature verification allows spoofing of HTTP/HTTPS endpoint notifications

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 n...

CVE-2026-42193

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42193 Plunk: SNS webhook forgery

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42193

Plunk (open-source email platform built on AWS SES) fixes a prior vulnerability: before v0.9.0, /webhooks/sns accepted unauthenticated SNS payloads without signature/cert/topic ARN verification, enabling forged webhook requests. Attackers could spoof SNS events to trigger automations, unsubscribe...

CVE-2026-42193 Plunk: SNS webhook forgery

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

plunk 数据伪造问题漏洞

Plunk is an open-source email sending and management platform developed by Plunk. Versions of Plunk prior to 0.9.0 contained a data manipulation vulnerability. This vulnerability stems from the /webhooks/sns endpoint accepting Amazon SNS notification payloads without verifying the SNS signature,...

PT-2026-39196

Name of the Vulnerable Software and Affected Versions Plunk versions prior to 0.9.0 Description The '/webhooks/sns' endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN. This allows an unauthenticated attack...