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 (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...

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-2026-42192: 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...

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,...

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...

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...

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...