Microsoft Security Advisory CVE-2026-50659 – .NET Spoofing Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET SMTP client System.Net.Mail. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A spoofing vulnerability exis...

GHSA-74JP-VM22-8Q8X Microsoft Security Advisory CVE-2026-50659 – .NET Spoofing Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET SMTP client System.Net.Mail. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A spoofing vulnerability exis...

CVE-2026-47255

AgenticMail gives AI agents real email addresses and phone numbers. @agenticmail/api prior to version 0.9.32 and @agenticmail/core prior to version 0.9.10 had weakness related to validation and and binding of inactive-agent hour filtering; storage SQL identifier validation; metadata-backed...

CVE-2026-57495

CVE-2026-57495 affects AgenticMail components @agenticmail/claudecode (<0.2.39), @agenticmail/codex (<0.1.33), @agenticmail/core (<0.9.43), and @agenticmail/openclaw (

CVE-2026-57495 AgenticMail: Unauthenticated inbound mail triggers bypassPermissions resume of the operator's Claude Code session (bridge-wake)

AgenticMail gives AI agents real email addresses and phone numbers. In @agenticmail/claudecode prior to version 0.2.39, @agenticmail/codex prior to version 0.1.33, @agenticmail/core prior to version 0.9.43, and @agenticmail/openclaw prior to version 0.5.71, two inbound-mail handlers act on a...

CVE-2026-57495 AgenticMail: Unauthenticated inbound mail triggers bypassPermissions resume of the operator's Claude Code session (bridge-wake)

AgenticMail gives AI agents real email addresses and phone numbers. In @agenticmail/claudecode prior to version 0.2.39, @agenticmail/codex prior to version 0.1.33, @agenticmail/core prior to version 0.9.43, and @agenticmail/openclaw prior to version 0.5.71, two inbound-mail handlers act on a...

CVE-2026-57495

AgenticMail gives AI agents real email addresses and phone numbers. In @agenticmail/claudecode prior to version 0.2.39, @agenticmail/codex prior to version 0.1.33, @agenticmail/core prior to version 0.9.43, and @agenticmail/openclaw prior to version 0.5.71, two inbound-mail handlers act on a...

CVE-2026-57494 AgenticMail: Cross-agent task authorization bypass in AgenticMail API

AgenticMail gives AI agents real email addresses and phone numbers. In @agenticmail/api prior to version 0.9.64, a low-privileged authenticated AgenticMail agent can enumerate another agent's pending/claimed tasks by supplying the target agent name to GET /api/agenticmail/tasks/pending?assignee=...

dovecot: Dovecot: Denial of Service via excessive IMAP bracing

A flaw was found in Dovecot. A remote attacker can exploit this vulnerability by sending excessive open braces over the Internet Message Access Protocol IMAP, leading to uncontrolled memory usage. This can cause the affected system to consume memory up to its configured limit, resulting in a Deni...

EUVD-2026-45972

Mailpit is an email testing tool and API for developers. Prior to version 1.30.0, the Mailpit SMTP server has a Server.MaxSize int field that controls the maximum allowed DATA payload size, but the field is never assigned anywhere outside test code, leaving it at Go's zero value 0 ⇒ "no limit". T...

dovecot security update

1:2.3.16-18.1 - fix CVE-2026-42006: IMAP parser listcountlimit bypass via open parentheses RHEL-188468...

Important: dovecot security update

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fixes: doveco...

TencentOS Server 3: ruby:2.5 (TSSA-2026:0656)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0656 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

RHEL 10 : dovecot (RHSA-2026:41988)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:41988 advisory. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and...

MiracleLinux 9 : golang-1.26.3-1.el9_8 (AXSA:2026-1288:06)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1288:06 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 cmd/go: golang: Go command cmd/go: Integrity...

Linux Distros Unpatched Vulnerability : CVE-2026-47086

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token...

CVE-2024-23565

HCL Aftermarket EPC is vulnerable to email flooding as the application does not have a proper mail limitation mechanism at Forget Password functionality. The actor could b e a human or an automated process such as a virus or bot. This could be used to cause a denial of service, compromise program...

CVE-2024-23565

HCL Aftermarket EPC is vulnerable to email flooding as the application does not have a proper mail limitation mechanism at Forget Password functionality. The actor could b e a human or an automated process such as a virus or bot. This could be used to cause a denial of service, compromise program...

CVE-2026-47083

A flaw was found in Cyrus IMAP. An authenticated user can exploit the ESEARCH command to discover the existence of folder names belonging to other user accounts. This vulnerability leads to information disclosure, allowing an attacker to gain unauthorized knowledge about the structure of other...

CVE-2026-47089

A flaw was found in Cyrus IMAP cyrus-imapd. An authenticated user can exploit this vulnerability by using the IMAP LISTRIGHTS command. This allows the user to learn the access permissions of any mailbox they can name, which should be restricted to administrators. This leads to unauthorized...