Improper Authorization in Craft CMS - #VU144281
Published: August 19, 2026
Vulnerability identifier: #VU144281
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper authorization in native GraphQL element-to-user relations when resolving related user fields through GraphQL queries. A remote user can query author, authors, uploader, draftCreator, or revisionCreator fields to disclose sensitive information.
The issue affects user-group scoping for related user records and can expose usernames, email addresses, and full names outside the intended GraphQL schema scope.
Affected software
Craft CMS
Remediation
Install security update from vendor's website.
Craft CMS - update to 99.99.1