CVE-2026-34975

CVE-2026-34975 — CRLF Email Header Injection in Plunk via raw MIME construction Severity : High CVSS 8.5 CWE : CWE-93 — Improper Neutralization of CRLF Sequences 'CRLF Injection' Affected : useplunk/plunk = 0.7.1 Fixed in : 0.8.0 Advisory : GHSA-2mvm-rg5v-7hfq NVD :...

CVE-2026-32096

CVE-2026-32096 SSRF через непроверенное подтверждение подписки AWS SNS вuseplunk/plunk Краткое описание Конечная точка API Plunk POST /webhooks/sns загружает предоставленный атакующим SubscribeURL без проверки криптографической подписи AWS SNS. Неаутентифицированный атакующий может заставить серв...

CVE-2026-42192

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, a stored cross-site scripting XSS vulnerability exists in the campaign management feature, where the email body content created by authenticated project members is stored and later rendered in the admin...

CVE-2026-42193

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42193

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42192 Plunk: Stored XSS in campaign view

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, a stored cross-site scripting XSS vulnerability exists in the campaign management feature, where the email body content created by authenticated project members is stored and later rendered in the admin...

CVE-2026-42192 Plunk: Stored XSS in campaign view

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, a stored cross-site scripting XSS vulnerability exists in the campaign management feature, where the email body content created by authenticated project members is stored and later rendered in the admin...

CVE-2026-42192 Plunk: Stored XSS in campaign view

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, a stored cross-site scripting XSS vulnerability exists in the campaign management feature, where the email body content created by authenticated project members is stored and later rendered in the admin...

CVE-2026-42193

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42193 Plunk: SNS webhook forgery

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42193 Plunk: SNS webhook forgery

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42193 Plunk: SNS webhook forgery

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42193

Plunk (open-source email platform built on AWS SES) fixes a prior vulnerability: before v0.9.0, /webhooks/sns accepted unauthenticated SNS payloads without signature/cert/topic ARN verification, enabling forged webhook requests. Attackers could spoof SNS events to trigger automations, unsubscribe...

plunk 数据伪造问题漏洞

Plunk is an open-source email sending and management platform developed by Plunk. Versions of Plunk prior to 0.9.0 contained a data manipulation vulnerability. This vulnerability stems from the /webhooks/sns endpoint accepting Amazon SNS notification payloads without verifying the SNS signature,...

CVE-2026-42192: Improper Neutralization of Input During Web Page Generation

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, a stored cross-site scripting XSS vulnerability exists in the campaign management feature, where the email body content created by authenticated project members is stored and later rendered in the admin...

CVE-2026-42193: Improper Verification of Cryptographic Signature

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

PT-2026-39196

Name of the Vulnerable Software and Affected Versions Plunk versions prior to 0.9.0 Description The '/webhooks/sns' endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN. This allows an unauthenticated attack...

plunk 跨站脚本漏洞

Plunk is an open-source email sending and management platform developed by Plunk. Versions of Plunk prior to 0.9.0 contained a cross-site scripting vulnerability. This vulnerability stemmed from the use of React’s dangerouslySetInnerHTML method for rendering email body content without HTML...

Exploit for CRLF Injection in Useplunk Plunk

CVE-2026-34975 — CRLF Email Header Injection in Plunk via raw...

CVE-2026-34975

Plunk is an open-source email platform built on top of AWS SES. Prior to 0.8.0, a CRLF header injection vulnerability was discovered in SESService.ts, where user-supplied values for from.name, subject, custom header keys/values, and attachment filenames were interpolated directly into raw MIME...