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CVE-2026-32096

Critical

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.

SeverityCritical
CVSS9.3
Exploit probability—
ProductPlunk
PublishedMar 11, 2026
First seenMar 11, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update
  • useplunk plunk0.7.0 or later

Affected products

ProductAffected versionsFixed in
useplunk plunkv < 0.7.00.7.0

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