AlmaLinux 9.2 [TuxCare] Security Update: mutt (ALMALINUX9.2:CLSA-2026:1783434809)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783434809 advisory. - In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an...

Rocky Linux 9.6 [TuxCare] Security Update: mutt (ALMALINUX9.6:CLSA-2026:1783436433)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1783436433 advisory. - In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an...

AlmaLinux 9.6 [TuxCare] Security Update: mutt (ALMALINUX9.6:CLSA-2026:1783436433)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1783436433 advisory. - In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an...

CVE-2026-67238 RabbitMQ: Atom-table exhaustion via reply-to queue name decoding

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, rabbitpidcodec:decomposefrombinary/1 parses a caller-supplied ETF-encoded binary and calls binarytoatomNode, utf8 on the node-name field. It is reached from rabbitvolatilequeue:pidfromname/2, which is invoked for any...

CVE-2026-67238 RabbitMQ: Atom-table exhaustion via reply-to queue name decoding

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, rabbitpidcodec:decomposefrombinary/1 parses a caller-supplied ETF-encoded binary and calls binarytoatomNode, utf8 on the node-name field. It is reached from rabbitvolatilequeue:pidfromname/2, which is invoked for any...

CVE-2026-54649

punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. Prior to 1.5.0, handleInbound delivers inbound alias mail with message.forward, which silently drops the added Reply-To header intended to route responses through the relay. When ...

CVE-2026-54649 punchin-email: Operator inbox (FORWARD_TO) disclosed to correspondents on reply — Cloudflare forward() drops the relay Reply-To

punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. Prior to 1.5.0, handleInbound delivers inbound alias mail with message.forward, which silently drops the added Reply-To header intended to route responses through the relay. When ...

CVE-2026-54649 punchin-email: Operator inbox (FORWARD_TO) disclosed to correspondents on reply — Cloudflare forward() drops the relay Reply-To

punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. Prior to 1.5.0, handleInbound delivers inbound alias mail with message.forward, which silently drops the added Reply-To header intended to route responses through the relay. When ...

EUVD-2026-82386

punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. Prior to 1.5.0, handleInbound delivers inbound alias mail with message.forward, which silently drops the added Reply-To header intended to route responses through the relay. When ...

CVE-2026-54649: Exposure of Sensitive Information to an Unauthorized Actor

punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. Prior to 1.5.0, handleInbound delivers inbound alias mail with message.forward, which silently drops the added Reply-To header intended to route responses through the relay. When ...

PT-2026-95067

Name of the Vulnerable Software and Affected Versions punchin-email versions prior to 1.5.0 Description punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. The handleInbound function delivers inbound alias mail using message.forwar...

rabbitmq-server: RabbitMQ: Denial of Service due to atom-table exhaustion via reply-to queue name decoding

A flaw was found in RabbitMQ, a messaging and streaming broker. An authenticated AMQP Advanced Message Queuing Protocol client can trigger an atom-table exhaustion by sending specially crafted reply-to queue names for decoding. This can lead to the entire Erlang Virtual Machine VM crashing,...

CVE-2026-45125

MyBB prior to 1.8.40 is vulnerable to mail header injection via the Email User controller. The fromname HTTP parameter (or stored username) is used unsanitized in Return-Path and Reply-To headers when mail_handler is PHP mail, enabling arbitrary header injection via CRLF sequences. CVSS 5.3 (Medi...

CVE-2026-45125 MyBB: Email User CRLF injection

MyBB is free and open source forum software. Prior to 1.8.40, the Email User controller does not sanitize sender names correctly, resulting in mail header injection. member.php?action=doemailuser accepts the fromname HTTP parameter for guests or the stored username for authenticated users when th...

CVE-2026-45125

MyBB is free and open source forum software. Prior to 1.8.40, the Email User controller does not sanitize sender names correctly, resulting in mail header injection. member.php?action=doemailuser accepts the fromname HTTP parameter for guests or the stored username for authenticated users when th...

PT-2026-77179

MyBB is free and open source forum software. Prior to 1.8.40, the Email User controller does not sanitize sender names correctly, resulting in mail header injection. member.php?action=do emailuser accepts the fromname HTTP parameter for guests or the stored username for authenticated users when t...

CVE-2026-18044 Estatik Real Estate Plugin < 4.3.4 - Unauthenticated Arbitrary-Recipient Mail Relay via Signed-Value Mismatch

The Estatik Real Estate Plugin WordPress plugin before 4.3.4 does not validate the same recipient list that it later uses to address the message sent by its property request form, allowing unauthenticated users to send emails to arbitrary recipients with arbitrary subject, body and Reply-To on...

PT-2026-71056

Name of the Vulnerable Software and Affected Versions Estatik Real Estate Plugin versions prior to 4.3.4 Description An issue exists where the plugin fails to validate the recipient list used by the property request form when configured to route to a custom address. This allows unauthenticated...

CVE-2026-57215

A flaw was found in RabbitMQ, a messaging and streaming broker. This vulnerability allows an attacker to establish persistent foreign bindings to reply-to destinations. This occurs because temporary queues are not properly removed, leaving behind active routing entries. This can lead to...

CVE-2026-53591 FreeScout Vulnerable to Unauthenticated Conversation Thread Injection via HMAC Length Bypass in FetchEmails

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.223, an unauthenticated attacker can inject messages into any existing support conversation by sending a single email to the helpdesk's public address with a crafted In-Reply-To header. No...