CVE-2026-32096
Plunk has SSRF via unvalidated AWS SNS SubscriptionConfirmation in POST /webhooks/sns
CVSS Score
9.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | useplunk |
| Product | plunk |
| Published | Mar 11, 2026 |
| Last Updated | Mar 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
useplunk / plunk
< 0.7.0