CVE-2026-29069 Craft has an unauthenticated activation email trigger with potential user enumeration

What is CVE-2026-29069?

CVE-2026-29069 is a medium-severity missing authorization vulnerability in Craftcms Craft Cms, published on 4 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 pending user account by knowing or guessing the user ID. If the attacker controls the target user’s email address, they can activate the account and gain access to the system. This vulnerability is fixed in 5.9.0-beta.2 and 4.17.0-beta.2.

Weakness: CWE-639

Which versions are affected by CVE-2026-29069?

4 open source packages ship an affected version, including craftcms/cms. It affects 1 product.

Products include Craftcms Craft Cms.

How do I fix CVE-2026-29069?

Upgrade craftcms/cms to a fixed version for your release line: 4.17.0-beta.2 or 5.9.0-beta.2.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-29069 being exploited?

There is no known exploitation of CVE-2026-29069 in the wild and no public exploit code.

Other vulnerabilities in Craftcms Craft Cms

• CVE-2025-32432 Craft CMS Code Injection Exploited Critical 10.0
• CVE-2024-56145 Craft CMS Code Injection Exploited Critical 9.3
• CVE-2025-23209 Craft CMS Code Injection Exploited High 8.1
• CVE-2025-35939 Craft CMS External Control of Assumed-Immutable Web Parameter Exploited Medium 6.9
• CVE-2023-41892 Craft CMS Remote Code Execution vulnerability Critical 10.0

All Craftcms Craft Cms vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-234q-vvw3-mrfq.