High severityNVD Advisory· Published Mar 4, 2026· Updated Mar 4, 2026
Craft affected by IDOR via GraphQL @parseRefs
CVE-2026-28696
Description
Craft is a content management system (CMS). Prior to 4.17.0-beta.1 and 5.9.0-beta.1, the GraphQL directive @parseRefs, intended to parse internal reference tags (e.g., {user:1:email}), can be abused by both authenticated users and unauthenticated guests (if a Public Schema is enabled) to access sensitive attributes of any element in the CMS. The implementation in Elements::parseRefs fails to perform authorization checks, allowing attackers to read data they are not authorized to view. This vulnerability is fixed in 4.17.0-beta.1 and 5.9.0-beta.1.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
craftcms/cmsPackagist | >= 4.0.0-RC1, < 4.17.0-beta.1 | 4.17.0-beta.1 |
craftcms/cmsPackagist | >= 5.0.0-RC1, < 5.9.0-beta.1 | 5.9.0-beta.1 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-7x43-mpfg-r9wjghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-28696ghsaADVISORY
- github.com/craftcms/cms/commit/4d98a07e47580f1712095825d3e3c4d67bc9f8b9ghsax_refsource_MISCWEB
- github.com/craftcms/cms/security/advisories/GHSA-7x43-mpfg-r9wjghsax_refsource_CONFIRMWEB
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