CVE-2026-53961 | Discourse up to 2026.1.4/2026.4.1/2026.5.0 AWS SES Bounce Webhook /webhooks/aws input validation

July 10, 2026 Yanac

A vulnerability described as critical has been identified in Discourse up to 2026.1.4/2026.4.1/2026.5.0. The impacted element is an unknown function of the file /webhooks/aws of the component AWS SES Bounce Webhook. The manipulation results in improper input validation.

This vulnerability is known as CVE-2026-53961. It is possible to launch the attack remotely. No exploit is available.VulDB Recent EntriesRead More