CVE-2026-40872 mailcow: dockerized vulnerable to stored XSS in autodiscover logs email address field

mailcow: dockerized is an open source groupware/email suite based on docker. In versions prior to 2026-03b, the admin dashboard's Autodiscover logs render the EMailAddress value logged as the "user" field without HTML escaping. By submitting an unauthenticated Autodiscover request with a crafted...

Incorrect Authorization

Overview github.com/oauth2-proxy/oauth2-proxy is a reverse proxy that provides authentication with Google, Github or other providers. Affected versions of this package are vulnerable to Incorrect Authorization in the email domain validation. An attacker can gain unauthorized access by submitting ...

Incorrect Authorization

Overview github.com/oauth2-proxy/oauth2-proxy/v7 is a reverse proxy that provides authentication with Google, Github or other providers. Affected versions of this package are vulnerable to Incorrect Authorization in the email domain validation. An attacker can gain unauthorized access by submitti...

CVE-2026-40590

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

CVE-2026-40591

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customerid, name, toemail, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer visibility...

CVE-2026-40589

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, a low-privileged agent can edit a visible customer and add an email address already owned by a hidden customer in another mailbox. The server discloses the hidden customer’s name and profile URL in the success...

CVE-2026-40570

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the loadcustomerinfo action in POST /conversation/ajax returns complete customer profile data to any authenticated user without verifying mailbox access. An attacker only needs a valid email address to retriev...

CVE-2026-40574

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Prior to 7.15.2, an authorization bypass exists in OAuth2 Proxy as part of the emaildomain enforcement option. An attacker may be able to authenticate with an email claim such as [email protected]@company.com and...

CVE-2026-40591 FreeScout: Improper Authorization in Phone Conversation Creation Enables Cross-Mailbox Hidden Customer Modification

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customerid, name, toemail, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer visibility...

CVE-2026-40590 FreeScout's Customer AJAX Create Modifies Hidden Existing Customer

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

EUVD-2026-24185

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

CVE-2026-40590 FreeScout's Customer AJAX Create Modifies Hidden Existing Customer

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

CVE-2026-40590

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

CVE-2026-40590

FreeScout prior to 1.8.214 exposes a Change Customer flow (POST /customers/ajax, action=create) in the Change Customer modal. The endpoint skips unique-email validation under limited visibility, and if the provided email matches a hidden existing customer, Customer::create() reuses that hidden cu...

EUVD-2026-24184

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, a low-privileged agent can edit a visible customer and add an email address already owned by a hidden customer in another mailbox. The server discloses the hidden customer’s name and profile URL in the success...

CVE-2026-40589 FreeScout has Customer Edit Cross-Mailbox Email Takeover

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, a low-privileged agent can edit a visible customer and add an email address already owned by a hidden customer in another mailbox. The server discloses the hidden customer’s name and profile URL in the success...

CVE-2026-40589

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, a low-privileged agent can edit a visible customer and add an email address already owned by a hidden customer in another mailbox. The server discloses the hidden customer’s name and profile URL in the success...

CVE-2026-40589 FreeScout has Customer Edit Cross-Mailbox Email Takeover

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, a low-privileged agent can edit a visible customer and add an email address already owned by a hidden customer in another mailbox. The server discloses the hidden customer’s name and profile URL in the success...

CVE-2026-40589

Product affected: FreeScout (self-hosted help desk). Vulnerability: Prior to 1.8.214, a low-privileged agent can edit a visible customer and assign an email owned by a hidden customer in another mailbox. The server reveals the hidden customer’s name and profile URL in the success flash, reassigns...

CVE-2026-40574 OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Prior to 7.15.2, an authorization bypass exists in OAuth2 Proxy as part of the emaildomain enforcement option. An attacker may be able to authenticate with an email claim such as [email protected]@company.com and...