CVE-2026-107843

Contao is an Open Source CMS. From version 4.1.0 until 5.3.50 and 5.7.12, ModuleRegistration::compile enters its follow-up registration branch on any POST to a page containing the registration module without verifying FORMSUBMIT or the preceding captcha result. resendActivationMail can then invok...

CVE-2026-107843 Contao: The registration module re-sends activation mails on any unauthenticated POST, with no throttle and no captcha check

Contao is an Open Source CMS. From version 4.1.0 until 5.3.50 and 5.7.12, ModuleRegistration::compile enters its follow-up registration branch on any POST to a page containing the registration module without verifying FORMSUBMIT or the preceding captcha result. resendActivationMail can then invok...

CVE-2026-107843

The Contao Open Source CMS (versions 4.1.0 through 5.3.50 and 5.7.12 ) contains a vulnerability where the ModuleRegistration::compile() function fails to verify FORM_SUBMIT or captcha results on unauthenticated POST requests. This allows an unauthenticated attacker to trigger the resendActivation...

CVE-2026-107843: Observable Response Discrepancy

Contao is an Open Source CMS. From version 4.1.0 until 5.3.50 and 5.7.12, ModuleRegistration::compile enters its follow-up registration branch on any POST to a page containing the registration module without verifying FORMSUBMIT or the preceding captcha result. resendActivationMail can then invok...

Authorization Bypass Through User-Controlled Key

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the actionSendActivationEmail function. An attacker can gain unauthorized access to user accounts or enumerate user states by submitting...

GHSA-234Q-VVW3-MRFQ Craft CMS has unauthenticated activation email trigger with potential user enumeration

The actionSendActivationEmail endpoint is accessible to unauthenticated users and does not require a permission check for pending users. An attacker with no prior access can trigger activation emails for any pending user account by knowing or guessing the user ID. If the attacker controls the...

EUVD-2026-9452

Craft CMS has unauthenticated activation email trigger with potential user enumeration...

CVE-2026-29069

Craft is a content management system CMS. Prior to 5.9.0-beta.2 and 4.17.0-beta.2, the actionSendActivationEmail endpoint is accessible to unauthenticated users and does not require a permission check for pending users. An attacker with no prior access can trigger activation emails for any pendin...

Craft CMS security vulnerability

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to Craft CMS 5.9.0-beta.2 and 4.17.0-beta.2 contained security vulnerabilities. These vulnerabilities stemmed from the actionSendActivationEmail endpoint, which was exposed to unverified users and lacked...

PT-2026-23006

Name of the Vulnerable Software and Affected Versions Craft CMS versions prior to 5.9.0-beta.2 and versions prior to 4.17.0-beta.2 Description Craft is a content management system. The actionSendActivationEmail endpoint is accessible to unauthenticated users and lacks permission checks for pendin...

Cisco Webex Meetings security vulnerabilities

An input validation error vulnerability exists in Cisco Webex Meetings, a video conferencing solution from Cisco, which stems from insufficient validation of user-supplied parameters in the product. An attacker could send an activation email to an increasingly account through this vulnerability...