[SECURITY] Fedora 44 Update: nginx-1.28.3-1.fc44

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

CVE-2026-41426 pretalx: Email injection via unescaped user-controlled placeholders in pretalx mail templates

pretalx is a conference planning tool. Prior to 2026.1.0, an unauthenticated attacker can send arbitrary HTML-rendered emails from a pretalx instance's configured sender address by embedding malformed HTML or markdown link syntax in a user-controlled template placeholder such as the account displ...

Hiding Bluetooth Trackers in Mail

It was used to track a Dutch naval ship: Dutch journalist Just Vervaart, working for regional media network Omroep Gelderland, followed the directions posted on the Dutch government website and mailed a postcard with a hidden tracker inside. Because of this, they were able to track the ship for...

CLSA-2026-1777022242 nginx: Fix of 2 CVEs

CVE-2026-32647: fix buffer over-read/over-write in ngxhttpmp4module via integer overflow, off-by-one boundary checks, and zero sync sample validation in stss atom - CVE-2026-27651: fix NULL pointer dereference in ngxmailauthhttpmodule when using CRAM-MD5 or APOP authentication with Auth-Wait...

CVE-2026-41319 MailKit has STARTTLS Response Injection via unflushed stream buffer that enables SASL mechanism downgrade

MailKit is a cross-platform mail client library built on top of MimeKit. A STARTTLS Response Injection vulnerability in versions prior to 4.16.0 allows a Man-in-the-Middle attacker to inject arbitrary protocol responses across the plaintext-to-TLS trust boundary, enabling SASL authentication...

EUVD-2026-25388

MailKit is a cross-platform mail client library built on top of MimeKit. A STARTTLS Response Injection vulnerability in versions prior to 4.16.0 allows a Man-in-the-Middle attacker to inject arbitrary protocol responses across the plaintext-to-TLS trust boundary, enabling SASL authentication...

CVE-2026-6235

The Sendmachine for WordPress plugin for WordPress is vulnerable to authorization bypass via the 'manageadminrequests' function in all versions up to, and including, 1.0.20. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for...

CVE-2026-41259

Mastodon is a free, open-source social network server based on ActivityPub. Prior to v4.5.9, v4.4.16, and v4.3.22, Mastodon allows restricting new user sign-up based on e-mail domain names, and performs basic validation on e-mail addresses, but fails to restrict characters that are interpreted...

CVE-2026-41259

Mastodon is a free, open-source social network server based on ActivityPub. Prior to v4.5.9, v4.4.16, and v4.3.22, Mastodon allows restricting new user sign-up based on e-mail domain names, and performs basic validation on e-mail addresses, but fails to restrict characters that are interpreted...

VulnCheck KEV: CVE-2026-23541

Missing Authorization vulnerability in WPFunnels Mail Mint mail-mint allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Mail Mint: from n/a through = 1.19.4...

Oracle Siebel Server <= 25.11 (April 2026 CPU)

The versions of Oracle Siebel CRM installed on the remote host are affected by multiple vulnerabilities as referenced in the April 2026 CPU advisory. - Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM component: Server Infrastructure Apache Log4j. Supported versions that ar...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: nginx (UTSA-2026-014291)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014291 advisory. When the ngxmailauthhttpmodulemodule is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occu...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: nginx (UTSA-2026-014274)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014274 advisory. 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...

EUVD-2026-24700

The Sendmachine for WordPress plugin for WordPress is vulnerable to authorization bypass via the 'manageadminrequests' function in all versions up to, and including, 1.0.20. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for...

WordPress Sendmachine for WordPress plugin <= 1.0.20 - Unauthenticated SMTP Hijack to Privilege Escalation vulnerability

Unauthenticated SMTP Hijack to Privilege Escalation vulnerability discovered by Nabil Irawan - Heroes Cyber Security in WordPress Plugin Sendmachine for WordPress versions = 1.0.20...

📄 Dovecot 3.1.0 Authentication Bypass / User Enumeration

This Metasploit auxiliary module targets an LDAP injection vulnerability in Dovecot mail servers that can lead to authentication bypass or user enumeration via IMAP/POP3. Version 3.1.0 is affected...

Security Bulletin: A Security Vulnerability Has Been Identified In WebSphere Liberty shipped with IBM Copy Services manager (CVE-2025-7962)

Summary WebSphere Application Server Liberty is shipped with IBM Copy Services Manager. Information about a security vulnerability affecting WebSphere Application Server Liberty has been published in a security bulletin. Vulnerability Details CVEID:CVE-2025-7962 DESCRIPTION: In Jakarta Mail 2.0.2...

CVE-2026-40569

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a mass assignment vulnerability in the mailbox connection settings endpoints of FreeScout connectionIncomingSave at app/Http/Controllers/MailboxesController.php:468 and connectionOutgoingSave at line 398...

EUVD-2026-24171

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a mass assignment vulnerability in the mailbox connection settings endpoints of FreeScout connectionIncomingSave at app/Http/Controllers/MailboxesController.php:468 and connectionOutgoingSave at line 398...

CVE-2026-40569 FreeScout's Mass Assignment in Mailbox Connection Settings Enables Silent Email Exfiltration

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a mass assignment vulnerability in the mailbox connection settings endpoints of FreeScout connectionIncomingSave at app/Http/Controllers/MailboxesController.php:468 and connectionOutgoingSave at line 398...