# CVE-2026-84799

## Summary

- **CVE ID:** CVE-2026-84799
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-285
- **Published:** Sep 2, 2026
- **Last Modified:** Sep 4, 2026

## Description

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.

## Affected Products

- craftcms — cms (5.0.0-RC1)
- craftcms — cms (5.11.0)

## References

- [CNA](https://github.com/craftcms/cms/security/advisories/GHSA-4w9w-3x96-7ghp)
- [CNA](https://www.vulncheck.com/advisories/craft-cms-before-5.11.0-pii-disclosure-via-graphql-user-relations)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 6.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-09._