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CVE-2026-32096

CRITICAL CVSS 3.1: 8.6 EPSS 0.08%
Updated Mar 16, 2026
Useplunk
Parameter Value
CVSS 8.6 (CRITICAL)
Affected Versions before 0.7.0
Fixed In 0.7.0
Type CWE-918 (Server-Side Request Forgery (SSRF))
Vendor Useplunk
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Useplunk Plunk
cpe:2.3:a:useplunk:plunk:*:*:*:*:*:*:*:*
0.7.0

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