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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-32096

Plunk has SSRF via unvalidated AWS SNS SubscriptionConfirmation in POST /webhooks/sns

Description

Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an arbitrary outbound HTTP GET request to any host accessible from the server. This vulnerability is fixed in 0.7.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

useplunk plunk

  • < 0.7.0affected

References