CVE-2026-32096: Useplunk Plunk

High severity, CVSS 8.6. EPSS: 0.4% chance of exploitation in the next 30 days.

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

• Useplunk Plunk: before 0.7.0 (fixed in 0.7.0)

Published 2026-03-11. Last modified 2026-06-17.