decode-spam-headers

decode-spam-headers.py 日々の管理業務で特定のメールが SPAM/迷惑メールに振り分けられた理由を理解したい場合でも、Red-Team のフィッシングシミュレーションの目的であっても、このスクリプトは役立ちます! このアイデアは、MS Defender for Office365 を備えた商用 MS Office365 E5 環境を対象に、商用フィッシングシミュレーション演習を実施した際に生まれました。想像がつくと思いますが、フィッシングシミュレーションの観点から見ると、かなり強固なセキュリティスタックです。 手作業でこれらすべての Office365 SMTP...

CVE-2026-11113-SMTP-Header-Injection-in-Contact-Form

CVE-2026-11113 – SMTP Header Injection in Contact Form Program Code Python contactformserver.py - Mails feedback without sanitizing headers from flask import Flask, request import smtplib app = Flaskname @app.route'/contact', methods='POST' def contact: sender = request.form'email' message =...

CTT-Mailpit-RCE-v1.0---Temporal-Resonance-Mail-Server-Takeover

🎯 CTT-Mailpit-Exploit: 完璧な11/10スコアのゼロクリックワーム 基本的なSMTPヘッダーインジェクション（CVE-2026-23829）を、収束時間理論（Convergent Time Theory）を用いて、完璧なスコアを持つ自己増殖型RCEワームへと変換します。 📊 スコア変換: 6.1 → 11.0/10 ⭐ 指標| オリジナル（CVE-2026-23829）| CTT強化版| 改善 ---|---|---|--- CVSSスコア| 6.1/10（中）| 11.0/10 ⭐| +4.9 攻撃ベクトル| ネットワーク| 時間的共鳴| +2.0 影響|...

CVE-2026-46584

CVE-2026-46584 — camel-mail mail.smtp. Header Injection Runnable proof-of-concept reproducers for the same Apache Camel vulnerability, one per runtime: Runtime| Directory| Stack ---|---|--- Camel Spring Boot| camel-spring-boot/| Spring Boot 3.2.0 + camel-spring-boot 4.18.2 Camel Quarkus|...

CVE-2026-57511 SuperPlane < 0.30.0 SMTP Header Injection via Webhook Event Title

SuperPlane before 0.30.0 contains an SMTP header injection vulnerability that allows unauthenticated attackers to inject arbitrary SMTP headers by including CRLF sequences in the event payload title field delivered via webhook. Attackers can manipulate the unsanitized title field passed to the SM...

CVE-2026-57511 SuperPlane < 0.30.0 SMTP Header Injection via Webhook Event Title

SuperPlane before 0.30.0 contains an SMTP header injection vulnerability that allows unauthenticated attackers to inject arbitrary SMTP headers by including CRLF sequences in the event payload title field delivered via webhook. Attackers can manipulate the unsanitized title field passed to the SM...

CVE-2026-57511: Improper Neutralization of CRLF Sequences

SuperPlane before 0.30.0 contains an SMTP header injection vulnerability that allows unauthenticated attackers to inject arbitrary SMTP headers by including CRLF sequences in the event payload title field delivered via webhook. Attackers can manipulate the unsanitized title field passed to the SM...

CakePHP 5.3.7 Released

CakePHP 5.3.7 Released The CakePHP core team is happy to announce the immediate availability of CakePHP 5.3.5. This is a maintenance release for the 5.3 branch that fixes community reported issues and three security issues. Advisories will be published for the issues over the next week as...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS : nginx vulnerabilities (USN-8375-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8375-1 advisory. It was discovered that the nginx ngxmailsmtpmodule module incorrectly handled certain memory operations when doing SM...

OPENSUSE-SU-2026:20784-1 Security update for nginx

This update for nginx fixes the following issues: - CVE-2026-1642: plain text data injection into the response from an upstream proxied server bsc1257675. - CVE-2026-27654: buffer overflow in the NGINX worker process via the ngxhttpdavmodule module bsc1260416. - CVE-2026-27784: NGINX worker memor...

SUSE-SU-2026:1761-1 Security update for nginx

This update for nginx fixes the following issues: - CVE-2026-1642: plain text data injection into the response from an upstream proxied server via MITM attack bsc1257675. - CVE-2026-27654: buffer overflow in the NGINX worker process via the ngxhttpdavmodule module bsc1260416. - CVE-2026-27784:...

MiracleLinux 8 : dotnet9.0-9.0.116-1.el8_10 (AXSA:2026-500:08)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-500:08 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203...

CVE-2026-39971: Improper Neutralization of CRLF Sequences in HTTP Headers

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the email sending functionality in include/functions.inc.php inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without validation, and the existing sanitization function serendipityisResponseClean is not...

CVE-2026-39971 Serendipity: Host Header Injection leads to SMTP header injection via unvalidated HTTP_HOST

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the email sending functionality in include/functions.inc.php inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without validation, and the existing sanitization function serendipityisResponseClean is not...

EUVD-2026-22811

Serendipity has a Host Header Injection allows SMTP header injection via unvalidated HTTPHOST in Message-ID email header...

GHSA-458G-Q4FH-MJ6R Serendipity has a Host Header Injection allows SMTP header injection via unvalidated HTTP_HOST in Message-ID email header

Summary Serendipity inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without any validation beyond CRLF stripping. An attacker who can control the Host header during an email-triggering action can inject arbitrary SMTP headers into outgoing emails, enabling spam relay, BCC...

ROS-20260406-73-0001

A vulnerability in the ngxmailsmtp response header handler of NGINX Plus and NGINX Open Source web servers is related to a violation of the initial buffer boundary. Exploitation of the vulnerability could allow an attacker acting remotely to gain read access to the data...

Linux Distros Unpatched Vulnerability : CVE-2026-28753

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NGINX Plus and NGINX Open Source have a vulnerability in the ngxmailsmtpmodule module due to the improper handling of CRLF sequences in DNS responses. This allo...

EUVD-2026-14885

NGINX Plus and NGINX Open Source have a vulnerability in the ngxmailsmtpmodule module due to the improper handling of CRLF sequences in DNS responses. This allows an attacker-controlled DNS server to inject arbitrary headers into SMTP upstream requests, leading to potential request manipulation...

CVE-2026-28753

CVE-2026-28753 affects NGINX Plus and NGINX Open Source through the ngx_mail_smtp_module. The vulnerability arises from improper handling of CRLF sequences in DNS responses, which could allow an attacker-controlled DNS server to inject arbitrary headers into SMTP upstream requests, enabling poten...