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.

Project Subscriptions

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Fixes

Solution

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Workaround

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History

Wed, 11 Mar 2026 20:15:00 +0000

Type Values Removed Values Added
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.
Title Plunk has SSRF via unvalidated AWS SNS SubscriptionConfirmation in POST /webhooks/sns
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-11T19:53:39.734Z

Reserved: 2026-03-10T22:02:38.853Z

Link: CVE-2026-32096

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-11T20:16:18.090

Modified: 2026-03-11T20:16:18.090

Link: CVE-2026-32096

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses