๐Ÿ” CVE Alert

CVE-2026-84799

MEDIUM 4.3

Craft CMS before 5.11.0 PII Disclosure via GraphQL User Relations

CVSS Score
4.3
EPSS Score
0.2%
EPSS Percentile
6th

Craft CMS before 5.11.0 fails to enforce user-group scope filters on native GraphQL user relations including author, authors, uploader, draftCreator, and revisionCreator fields. Attackers with a scoped GraphQL token can query these relations to read usernames, email addresses, and full names of any content author or uploader including administrators.

CWE CWE-285
Vendor craftcms
Product cms
Published Sep 2, 2026
Last Updated Sep 4, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

craftcms / cms
5.0.0-RC1 < 5.11.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/craftcms/cms/security/advisories/GHSA-4w9w-3x96-7ghp vulncheck.com: https://www.vulncheck.com/advisories/craft-cms-before-5.11.0-pii-disclosure-via-graphql-user-relations